454u1 CHEMISTRY Sembilan... · SULIT 4541/1 6 What is the uscs ofisotopes iodine-131? Apakah...

SULIT

454u1CHEMISTRYKertas IOgos/ Sep.

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MAJLIS PENGETUA SEKOLAH MDNENGAII MALAYSIACAWANGAN NEGERI SEMBILAN

PEPERIKSAAN PERCUBAAN BERSAMASIJIL PELAJARAN MALAYSIA 2011

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2.

3.

CHEMISTRY

Ke(as 1

Satu jam lima belas minit

JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHI]

Kerlas soalan ini atlalah dalant duibahasa.

Soalan dalam bahasa Inggeris mendaht, ui soolan yang sepadan dalan bahasa Melayu.

Calon dikehendqki membaca maklnnat di halaman belakang kertas soalan ini.

Keftas soalan inJ mengandungi 28 halarnan bercetak.

ILihat halaman sebelahSULIT

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454U1

Naphthalene solid is heated until it melts.Which of the following graphs is true?

Pepejal nafialena diponaslan hingga melebur.Antara graf berikut, yang manakah benar?

A Tempcrature/oC

Time/minMasalmin

Temperature/oCSuhu/"C

Time/minMasalmin

Temperature/"CSuhuPC

Time/minMasalmin

Temperature/'CSuhufC

c

D

halaman sebelahSULIT

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SULIT

2

3

Which substance exists as molecules?Antara bahan berikul, yang manakah wujud sebagai molekul?

A ArgonArgon

MagnesiumMagnesium

Carbon dioxideKarbon diolrsida

Copper(II) sulphateKuprum(II) sulfar

The diagram shows a model of an atom.

Rajah menunjukkan model sqtu atom.

Based on the diagram, which statement is true?

Berdasarkan kepada rajah tersebut, penyataan manokah yang betul?

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c

D

Proposed by J.J.ThompsonD ic adangkan o/eft J.J.Thompson

Atom is an invisible particleAtom adalah zarah yang tidak boleh dibahagi

Atom is a positively charged sphereAtom ialah sfera yang bercas positif

Electrons orbit at specific energy levels called shellsEleklron-elektron beredar pada paras lenaga tertenlu yang dipanggil pelala

[Lihat halaman sebelahSULIT

A

B

C

D

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SULIT

4

What is the numbcr of valence clectrons of atom Y?

Apufuih bilungun elekLron vulens bugi atom Y?

AOB1C7D8

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4

The diagram shows the standard representation for potassium.

Rajah menunjukkan perwakilan piawai bagi kalium.

Which is truc about thc subatomic particles of potassium?

Yang manakah benar tentang zarah subalom bagi kalium2

A

B

cD

Thc diagram shows the electron arrangement of atom Y.

Rajah menunjukkan susunan elcktron satu alom Y .

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39

19

Number of protonBilangan proton

Number of neutronBilangan neutron

Numbcr of electronBilangan elektron

19 20 t9

19 39 )n

39 19 19

19 20 39


SULIT 4541/1

6 What is the uscs ofisotopes iodine-131?

Apakah kegunaan isotop iodin-131?

A To treat thyroid patientsMerawat pesakit tiroid

B To cstimate the agc of a fbssilMenganggar kon us ia fo sil

C To kill microorganisms in food' Membunuh milcroorganisma dalam makanan

D Sterilization of surgical instrumentsMe ns ler il pe ralat an pem b e dahan

7 What is the relative formula mass of hydrated magnesium sulphate, MgSO,r.THzO?[Relative atomic mass : I]:1, O:16, Mg:24, 3:321

Apakah jisint formula relatif bagi magnesium sulfat terhidrat, MgSOa.TH2O?

l,Jisim arom relatif : H=1, O=16, Mg=2a, 3=321

A 145

B 150

c 239

D 246

8 Which of the following gases has the biggest mass?

[Relative atomic mass : H=1, N:14, Cl=35,5]

Antara gas-gas berikut, yang manakah menpunyai jisim yang terbesar?

lJisim atom relatif : Il:1 ,N= I 4, Cl:35.51

L 2 mol of ammonia gas, NFI32 mol gas ammonia, NII:

B 1.5 mol of nitrogen gas, N21.5 mol gas nitrogen, N2

C 1 mol ofhydrogcn chloride gas, HCII mol gas hidrogen klorida, HCI

' D 0.5 mol of chlorine gas, Cl20.5 mol gas klorin, Cl2


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SULIT 454U1

9 Which of the lollowing gases has the same number of atoms?

[Avogadro's constant = 6.02 X 1023 mol'l]

Ant kul, yang manakah mempunyai bilangan dlom yong sama?

lPe :6.02X 1023 mol'rl

I 0.5 mol of oxygen gas, 020.5 mol gas oksige n 02

II 0.5 mol ofcarbon dioxide gas, CO2

0.5 mol gas knrbon dioksida gas, CO2

n 1.5 mol of helium gas, I{e1.5 mol gas helitm, He

IV 1.5 mol ofhydrogen gas, H2

1.5 mol gas hidrogen, 117

A I and III dan II

B II and IIIII danIII

C lll and lVIII dan IY

D I andlVI dan IY

10 The equation is represents the decomposition ofhydrogen peroxide.

Persumaun herikul mewukili tintluk balus penguraian hidrogen perosida.

2[fzOz --> 2H2O + 02

How many moles ofhydrogen peroxide is required to ploduce 480 cml of oxygen gas at

room condition?

[Molar volume of gas: 24 dm]mol-l at room condition]

ilanga yang diperlukan unluk menghasilkon

oksigeqr gas likl

A 0,01

B 0.02

c 0.04

D 0.05


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7

Which of the following pairs is correct?

Antara pasangon berih , yang manakah benar?

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D

t2 The following shows the properties of element X:

Berikut menunjukkan sifat-sifat unsur X:

. SoftLembut

. Reacts with water to produce X hydroxideBertindak balas dengan air untuk menghasilkan hidroksida X

What is element X?

Apakah unsur X?

A PotassiumKalium

B VanadiumVonadium

C MagnesiumMagnesium

D AluminiumAlwniniutn


CompoundSebalian

FormulaFormula

Ammonium sulphateAmmonium sulfat

NFI+SOa

Phosphoric acidAsidfosforik

H:POq

Zinc hydroxideZink hidroksida

ZnOH

Silver nitrateArgenlum nitrat

AgzNo:

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SULIT

l3

8

Which of the following is not property of transition elements?

Antara berikul yang manakah bukan sifal unsur peralihan2

Has high melting and boiling pointsMempunyai lakat lebur dan takal didih yang tinggi

Formed coloured compoundMe m b entuk se b at ian b e rw arna

Ductile and malleableMulur dan ditempa

Has low densityMempunyai ketumpatan yang rendah

The diagram shows an elcctrolytic cell.

Rajah menunjukkan suatu sel elektrolisis.

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B

c

D

74

Copper plate XPIat kuprum X

Copper plate YPlat kuprum Y

Hydrochloric acidAsid hidroklorik

Which of the following half equations represent the reaction occurs at copper plate X?

Antara persamaan-percdmaan setengah berikul, yang manakah mewakili tindak balasyang berlaku pada plat kuprum X2

A Cu -+ Cu2' + 2e

B Cuz*+2e+ Cu

2lf + 2e --> H2

4OH- + Oz+ 2HtO + 4e


D

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SULIT

Copper(II) sulphate solutionLa r ut an kup r um (Il) s u lfa t

o

Which substance is an electrolyte?

Sebatian yang manakoh adalah suatu elektrolit?

A Hydrogen chloride gas

Gas hidrogen klorida

B Ammonia solutionLarutan ammonia

Bromine liquidCecair bromin

Molten leadLeburan plumbun

The diagram shows a voltaic cell.

Rajah mcnunjukkan suaru sel kimia.

Copper platePlat kuprum

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esium ribbonPita magnesium

Magnesium sulphatc solutionLarutan magnes ium sulfat

D

16

Which statement is truc?

Penyalaan manakah benar?

A Electrons flow from magnesium ribbon to copper plate through cxternal circuitElehron mengalir dari pita magnesium ke plat kuprum melalui litar luar

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The half equation for the reaction at magnesium ribbon is Mg2* + 2e-+ MgPersamaan setengah bagi tindak balas pada pita magnesium ialahMg2+ + 2e-+ Mg

C The colour ofcopper(Il) sulphate solution remains blueWarna larutan kuprum(Il) sulfat kekal biru

D Hydrogen and oxygen gas are producedGas hidrogen dan gas oksigen lerhasil

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SULIT IO

17 The diagrams show four voltaic cells, with their voltmeter readings.

Rajah menunjukkan empat sel kimia ringkas dengan bacaan voltmeter.

(')

l-ti.

-', - ,Ll.'-

r^.)\ z,O v/

a-1 fr-r.l : .ll.

454t/1

R

ElectrolyteElektrolit



Electrol)'teElehrolit

Referring to the voltmeter readings, what is the value of X?

Merujuk kepada bacaan voltmeter, apaknh nilai X?

A

B

C

D

1.6

1.8

2.4

J.O

18 Which property is true about ionic compound?

Yang manakah benar tenlang sifat sebatian ion?

A Can conduct electricityB ole h m engkonduks i ele ktri k

B Soluble in tetrachloromethaneLarut dalam tetraklorome lana

C Exists as a solid at room temperatureWujud sebagai pepejal pada suhu bilik

D Pa(icles held together by van der Waals forcesZarah-zarah ditarik bersama oleh daya tarikan van der lI/aals

454r/l o 201 I MPSM Cawansan Ncgcri sembilan [Lihat halaman sebelahSULIT


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SULIT

Iron spoonSudu besi

C Replace silvcr plate with carbon rodMenggantikan plat argentum dengan rod karbon

D Increase the current supplyMe ningka tkon h e knl an arus

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ll

Which substance is a covalent compound?

Bahan yang manaksh satu sebatian koyalen2

A Sodium oxideNatrium oksida

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Lead(II) oxidePlumbum(l|) oksida

Sulphur dioxideSulfur dioksida

Copper(Il) oxidekqrum(II) oksida

The diagram shows the apparatus set-up to electroplale an iron spoon with silver.

Rajah menunjukJran susunan radas bagi proses penyaduran sudu besi dengan argentum.

Silver platePlqt argentum

Silver nitrate solutionLarutan argentum nitrat

What should be done to the apparatus set-up to enablc thc electroplating process occurs?

Apakah yang perlu dilakukan ke atas susunan radas tersebut supaya proses penyaduranberlaku?

Replace silver nitrate solution with iron(II) chloride solutionMenggantikan larutan argentum nitrat dengan larutan ferum(II) klorida

Reverse the terminal of the batteriesTerb ali kknn lerm inal b at eri

c

D

20

B



2l

SULIT t2

The following shows the properties of substance Z.

Berikut menunjukkan sifat-sifat bagi bahan Z.

'Iums moist blue litmus paper to red.

Menukar kertas litmus biru lembap kepada merah.

Conducts electricity when dissolves in water.

Boleh menkondulcsikan elehrik apabila larut dalam air.

What is X?

Apakah X?

A Oxygen gas

Gas oksigen

B Nitrogen gas

Gas nitrogen

C Ammonia gas

Gas ammonia

I-lydrogen chloride gas

Gas hidrogen klorida

The following solutions have same concentration.Which solution has the highest pH value?

Larutan yang berikut me mpunyai lcepekatan yang sama.Larutan yang monaknh mempunyoi nilai pH yang paling tinggi?

A Nitric acidAsid nitrik

C

Ethanoic acidAsid etqnoik

Sulphuric acidAsid sulfurik

Hydrochloric acidlsid hidroklorik

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D

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SULIT 4541/t

Which of the following sodium hydroxide solution can neutralise 20 cml of 0.5 mol dm'3

sulphuric acid?

lntqra lqrutan natrium hidrol$ida berikut, yang manakah akan meneutralkan 20 cm3 0.5mol dm-3 asid sulfurik?

A 20 cm3 of 0.5 mol dm'3 sodium hydroxide solution20 cm3 0.5 mol dm-3 larutsn natrium hidroksida

B l0 cm3 of 0.5 mol dm-r sodium hydroxide solution10 cm3 0.5 mol dm-3 larutqn natrium hidrol<sida

C 40 cm3 of 1.0 mol dm-3 sodium hydroxide solution40 cm3 1.0 mol dm-3 larutan nstfium hidroksida

D 20 cm3 of 1.0 mol dm'3 sodium hydroxide solution20 cm3 1.0 mol dm'3 larutan natrium hidrolcsida

Which is a soluble salt?

Yang manakah sualu garam lerlarut?

A Copper(Il) carbonateKuprum(II) karbonat

B Lead(ll) sulphateP lumbum(ll) sulfat

C Silver chloridelrgentum klorida

D Iron(II) nirateFerum(II) nitrat

Which reagents can differentiate zinc sulphate and zinc chloridc solution?

Reagen yang manakah dapat membezakan larulan zink sulfat and larutan zink klorida?

C

Barium nitrateBarium nitral

Lead(II) nitratePlumbum(Il) nitrat

Potassium nirateKalium nitrat

Copper(ll) nitrateKuprum(ll) nitrat


13

23

24

25

B

D

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4541t1

The diagram shows the steps involved in manufacturing of sulphuric acid.

Rajah menunjukkan langkah-langkah yang terlibdt semasa menghasilkan asid sulfurik.

S ) SO2 ) SOr ) Y ) SulphuricAcid

What is Y?

ApakahY?

A HzSOr

B HzSO+

C HzSzOz

D Hzszo:

Which diagram shows the arangement of particles in an alloy?

Rajah yang manakah menunjukkon susunan zarah dalam aloi?

A

14

B

C

D

qooO "O


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15

The diagram shows a vase made of glass.

Rajah menunjukkan pasu bunga yang diperbuat daripada kaca.

Which type of glass is used ?

Apakah jenis kaca yang digunakan?

A Fused glass

Kacq silil@ terlakur

B Soda-lime glassKaca soda kapur

C Lead crystal glass

Kaca plumbum

D Borosilicate glass

Kaca borosilikat

Which substance is a composite material?

Sebatian yang manaknh merupakan bahan komposit?

A CeramicSeramik

B Poll'thenePolitena

C Fiber glassKacafber

D Stainless steelKeluli nirkarat

4s4111

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SULIT

30

A Volume of carbon dioxide gas (cm3;

Isipadu gas karbon cltoksida (cm3)

B Volume of carbon dioxide gas (cm3;

Isipadu gas karbon ctioksicta (cm3)

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The table shows the volume and concentration ofhydrochloric acids react with an excess

of zinc in Experiment P, Q and R.

Jadual menunjukkan isipadu dan kepekatan asid hidroklorik yang bertindak balasdengan zink berlebihan dalam Eluperimen P, Q dan R.

ExperimcntEksperimen


P25 cm'hvdrochloric acid 2.0 mol dm''25 crnt asid hidroklorik 2.0 mol dm'3

a 50 crn' hydroch)oric acid 1.5 rnol drn''50 cm3 asicl hidroklorik 1.5 mol dm-3

R I 50 cmr hydrochloric acid 1.0 mol dm-'150 cm3 asid hidroklorik 1 .0 mol dm'3

Which graph represents the results of the experiments correctly?

Grafyang manakalt mewakili keputttsan eksperimen dengan betul?

16

Time (min)Mosa (min\

Tirne (min)Masa (min)

Time (min)Masa (min)

Volunre ofcarbon dioxide gas (crn3)

Isipatlu gas karbon ctioksida (cm3)Volume of carbon dioxidc gas (cmr)Isipodu gas karbon tliol,,sida (cm3 )

Timc (min)Ar[asa (min)


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SULIT

3t

t7

Which factor does not alfect the rate ofreaction?

FaHor yang manakah tidak aksn mempengaruhi kadar tindak balas?

A Concentration of the solutionKepekatan larutan

B Size ofthe solid reactantSaiz pepejal bahan tinddk balas

C The presence of catalystKehadiran mangkin

D Volume of the solutionIsipadu Iarulan

The energy profile diagram is shown below.

Di bawah menunjukkan rajah profil tenaga.

EnergyTenaga

Which statements is true?

Pernyataan manakah yang benar?

A The heat ofreaction is 70 kJ

Haba tindak balas ialah 70 H

C

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32

The activation energy is 200 kJTenaga pengaktifan ialah 200 H

Total energy content in R and S is higher than in P and QJumlah kandungan tenaga diR dan S adalah lebih tinggi daripada di P dan Q

Heat is released when P reacts with Q to produce R and S

Haba dibebaskan semasa P bertindak balas dengan Q untuk menghasilkan

F.danS


D

200 kJ

P+Q

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SULIT 4541t1

33 Which statement is true about the ell'ect on the reacting particles when the temperature isincreases, based on the collision theory?

Pernyataan manakah yang benar tentang kesan ke atas zarah-zarah bahan tindakbalasopabila xthtt bertambah, berdosarkan teori perlanggaran?

A The number ofthe particles per one unit of volume decreasesBilangan zarah-zarah per unit isipadu menurun

B The frequency ofthe collision between particles increasesFrekuensi perlanggaran di antara zarah-zarah meningkat

C The total surface area ofthe particles increasesJumlah luas permukaan zarah-zarah meningkat

D The kinetic energy ofthe particles decreasesTena ga kine t i k zarah-zttr ah nrcnurun

34 The equation represents fermentation process.

Persamaan berikul mayakili proses penapaian.

YeastX

-.+ ethanol + YIls etunol

What is X and Y?

Apakah X dan Y?

18

A

ts

C

D


Substanccs fcrmentcdBahan yang ditapai

Gas eyolved during fcrmcntationGas yong dibebaskan semaso

penapaian

GlucoseGlukosa

Carbon dioxide gas

Gas karbon dioksida

l{ydrocarbonsHidrokarbon

Oxygen gas

Gas oksigen

Glucose

GlukosaOxygen gas

Gas oksigen

HydrocarbonsHidroknrbon

Carbon dioxide gas

Gas kqrbon dioksida

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19

Which structural formulae are isomer of pentane?

Formula struktur manakah adalah isomer bagi pentana?

454111

[Lihat halaman scbelahSULIT

I

,,TH

H

HIH-C-CllHH

HI:C H

H

rv ', -[-i-i-i-"

J.'

"_l_" I I

A IandIII dan II

B I and IIII dan III

C II and IVIl danIY

D III and IV' lIldanlY

4541/1 O20ll MPSM Cawangrn Negeri Sembilan


SULIT 454111

36 The table shows four different types ofesters produced by reacting certain alcohols withdifferent carboxylic acids.

Jadual menunjukkan empat jenis ester berlainan yang dihasilkan melalui tindak balasantara olkohol tertentu dengan asid karbol<silik yang berbeza.

EsterEster

AlcoholAlkohol

Carboxylic acidAsicI karboksilik

PMethanol, CH3OIJMethanol, CH3OH

Butanoic acid, C3HTCOOHAsid buranoik, C:HTCOOH

aEthanol, CzHsOHEtanol, C*IsOH

Methanoic acid, HCOOHAsid metanoik, HCOOH

RPropanol, CtHTOHPropanol, C:HrOH

Ethanoic acid, CH3COOHAsid etanoik, CH3COOH

SButanol, C4HeOFIButanol, CaHqOIl

Propanoic acid, C2HsCOOHA s i d prop ano ik, CzHsCOOH

Which pair of esters has the same molecular formula?

Pasangan ester yang manakah menpunyai formtla molelul yang sama2

A PandRP danR

B Rand S

R dan S

C PandQP danQ

D QandSQdanS

What is the purpose of adding formic acid in latex?

Apakah tujttan menambah asidformic ke dalam lateks?

A 'lio preserve latexUnluk mengawet lateks

B To coagulate latexUntuk menggumpalkan Iateks

C To improve the quality of latexUntuk menambah boik kualiti latehs

D To prevent coagulation oflatexUnluk me nce gah penggumpal an I ote ks


20

37

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SULIT

38 Methane gas can cause greenhouse effect.Which process releases methane gas into the air?

Gas metana boleh menyebabkan kesan rumah hijau.Proses yang ntanakah membebask{tn gas melana ke udara?

A Combustion ofpetrolPembakaran pelrol

B Volcanic activityAktiviti gunung berapi

C Decay ofplantsRepu t a n lumbuh- tumbu h an

D Photosl,nthesisFotosintesis

39 The follorving is a halfequation ofan oxidation.

Berikut adalah persamaan setengoh bagi satu pengoksidaan.

2Cl- ---------------- Clz + 2e

Based on the equation, which statement is true?

Berdasarkan kepada persamaan ilu, pernyataan yang manakah benar?

A Oxidation number ofchlorine decreasesNombor pengoksidaan klorin berkurang

B Chloride ion is an oxidising agentIon klorida ialah agen pengoksidaan

C Chlorine atoms receive electronsAtont klorin menerima eleklron

D Chloride ions donate electronsIon klorida mendermq elehron

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454lll @20ll MPSM Cawangan Ne8criSembilan


SULIT 4541/1

40 The diagram shows an apparatus set-up for an experiment to study the corrosion ofiron.

Rajah menunjukkan susunan radas bagi satu eksperimen untuk mengkaji kakisan besi.

22

Iron nailPaku lron besi

Metal containerBekas logam

Potassium nitrate solutionLarutan kalium nitrat

Which metal container causes iron nail corrodes at the lowest rate?

Bekas logam yang manakah menyebabkan paku besi terkakis pada kadar yang palingrendah?

A AluminiumAluminium

B CopperKuprum

D TinStanum

4l Cassiterite is an ore of tin. The main mineral in the ore is tin oxide.Which substance can be used to extract tin from its ore?

Kasiterit ialah bijih bagi stanum. Bahan mineral utama dalom bijih ini ialah stanumohida.Bahan yang manakah boleh digunakan untuk mengekstrak stanum dari bijihnya?

A IronFerum

B CokeKok

C Carbon dioxideKarbon dioksida

' D Aluminium oxideAluminium oksida


C ZincZink

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42

Dry hydrogen gas ------>Gas hidrogen kering

D Ammonium sulphateAmmonium sufut

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The diagram shows an apparatus set-up of heating metal oxide in hydrogen gas,

Rajah menunjukkan susunan radas bagi pemanasan oksida logam dalam gas hidrogen.

23

D

Which of the followirrg metal oxide does not reacts with hydrogen gas?

Antara oksido Iogam berihtt, yang manakah tidak berlindak balas dengan gas hidrogen2

A Tin oxideStanum oksida

C

Iron(II) oxideFerum(Il) oksida

Coppe(lI) oxideKuprum(Ll) oksida

Aluminium oxideAluminium oksida

Which of the lollowing solid substances when dissolved in water produced an

exothermic reaction'/

Antara bahan pepejal berikut, yang manakah akan menghasilkan tindak balqseltsotennik apabila larul dalam air?

A Potassium nitrateKalium nitrat

c

Ammonium nitrateAmmonium nitral

Sodium hydroxideNatrixtm hidroksida

43


Metal oxide


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44

24 4s41t1

The diagram shows a voltaic cell.

Rajah menunjukkan satu scl kimia.

Magnesium ribbonPita magnesium

Copper platePIat kuprum

Sodium chloride solutionLarulan natrium klorida

Based on the cell, which statement is true?

Bertlasarkan kepada sel ini, pernyataan yang manakah betul?

A Copper undergoes oxidationKuprunt men galam i pe ngoks i daan

B Magnesium is a reducing agentMagnesium ialah agen penurunan

C Oxidation number ofsodium decreaseNombor pengoksidaan natrium herkurangan

D Copper donates electrons to magnesiumKuprurn mendermq eleklron lcepada magnesium

45 Excess of magnesium powder is added into 50 cm3 of 0.5 mol dm'3 iron(ll) chloridesolution. Temperatr-lrc increases from 30"C to 54"C.What is the heat of displacement of iron?

[Specific heat capacity of solution = 4.2J g-r o6-t' Density of solution = 1 g cm-3]

Serhuk magnesium herlehihan ditambah ke dalam 50 cm3 0.5 mol dm-3 larutan

.ferum(Il) klorida. Suhu neningkat dari 30oC ke 54oC.

Apakah haba penyesaran bagi ferum?lMuatan habi tentu larutanl'4.2 J g-t og't Ketumpatan larulan :1 g cm-r]

A - 126.0 kJ rnol'r

B - 201.6 kJ mol'l

- 283.5 kJ mot'r

D - 453.6 kJ mol-r


454lll @2011MPSM Cewangm Negeri Senbilan


SULIT 454Ur

46 The equation shows the thermochemical equation for a neutralisation.

Persamaan merumjukkan persamaan termokimia bagi sualu peneutralan.

NaOH + HCI --- NaCI + H,O AI1: -57 kJ mol'r

100 cm3 of 2.0 mol dm-3 sodium hydroxide solution is added to 100 cm3 of 2.0 mol dm'3

hydrochloric acid.What is the heat releascd in the reaction?

100 cm3 2.0 mol dm'3 larutan natrium hidroksida ditambah kc dalam 100 cm3

2.0 mol dm'3 asid hidroklorik.Apakah haba yang dihasilkan dalam tindak balas ini?

A 22.80 kJ

B i 1.40 kJ

c 7.01 kJ

D 3.50 kJ

47 The fuel value of rnethano I is 22.75 kJ g't.Which statement is true?

[Molar mass ol'methanol = 32 g mol'r]

Nilai bahan api metanol ialah 22.75 H g't .

Pernyataan yang manakah benar'l

Llisim molar metanol : 32 gmol-tl

A Heat combution of methanol is 728 kJ mol-lHaba pembakaran metanol ialah 728 kJ mol"'

B One gram ofmethanol releases 728 kJ ofheatSatu gram melanol mcmbcbaskan 728 kJ haba

C One mole ofmethanol releases 22.75 kJ ofheatSatu mol metanol membebaskan 22.75 kJ haba

D Methanol releases 22.75 kJ ofheat when burnt in one gram oxygen.

Metanol menghasilkan 22.75 kJ haba apabila dibakar dalam salu grum oksigen


25

,1511/1 @ 201 I MPSM Cawansrn Ncscri scmbiljrn


SULIT 4s4U1.

The energy level diagram for the reaction between magnesium and silver ion is shownbelow.

Rajah aras tenaga bagi tindak balas antara magnesium dan ion argentum ditunjukkan dibawah.

EnergYTenaga

Which of following infonnation can be obtained from the energy level diagram?

Antara maklumat berikut, yang manakah boleh diperolehi dari rajah aras tenoga?

A The reaction is endothermicTindak bqlas ini ialah endolermik

B The temperature ofmixture decreases.Suhu campuran itu menurun

26

48

D

Heat of reaction = (Total energy content of Mg + 2Ag)- (Total energy content ofMg2* + 2Ag;Haba tindak balas : (Jumlah kandungan tenagaMg + 2Ag+ ) - (Jumlahkandungan tenaga Mg2n + 2Ag)

The total energy content in magnesium and silver ion is higher than the totalenergy in magnesium ion and silverJumlah kandungan tencrga dalam magnesium dan ion argentum adalah lebihtinggi dari jumlah tenoga dolam ion magnesium dan argenlum


4541i I @ 201I MPSM Cawangan Ncgeri Sembilan


SULIT 454u1

49 Which of,the following diseases can be treated effectively with antibiotics?

Antara penyakit-penyakit berikut, yang manakah boleh dirawat secara berkesan dengunantibiotilQ

A MalariaMalaria

B Hcpatitis BHepatitis B

C Denggi feverDemam denggi

D TuberculosisBatuk kering

50 Which substances is not used for the preparation ofsoaps?

Antara bahan berikut, yang manokah tlilak digunakan untuk penyediaan sabun?

A Vegetable oilMinyak sayur-sayuran

B Sodium chloride solutionLarutan natrium klorida

C Concentrated sulphuric acidAsid sulfurik pekat

D Concentrated sodium hydroxide solutionLarutan natrium hidrokrida peknt

END OF QUESTION PAPERKERTAS SOALAN TAMAT


27

4541/l €) 201 I MPSM Calr€ngan Ncgcri Sernbilah


SULIT 454111

INFORMATION FOR CANDIDATESMAKLUMAT ANTUK CALON

1. This question paper consists of50 questions.

Kertas soalan ini mengandungi 50 soalan.

2. Answer all questions.

Jawab semua soalan.

3. Each question is followed by four alternative answers, A, B, C or D. For each question,choose one answer only. Blacken your answer on the objcctive answer sheet provided.

Tiapliap soalan diikuti oleh empal pilihan jawapan, iaitu A, B, C dan D. Bagi setiapsoalan, pilih satu j au'apan sahaja. Hitamkan jawapan anda pada kertas jowapon objektifyang disediakan.

4. Ifyou wish to change your answer, erase the blackened mark that you have made.Then blacken the new answer.

Jika anda hendak merutkar jawapan, padamkan fanda yang telah dibuat.Kemudian hi tam kan j aw apan yang b aru.

5. The diagrams in the questions are not drawn to scale unless stated.

Rajah yang ntengiringi soalan lidak dilukis mengikut skala kecuali dinyatakan.

6. You may uso a scientific calculator.

And a d ibe narkan menggunakan kalkulator saintifk.

SULIT454111 @ 20l1 MPSM Cawongan Ncgcri Scmbilan


SULIT

Name :................

4s4u2CHEMISTRYKertas 2

Ogos/Scpt. MAJLIS PENGETUA SEKOLAH MENENGAH MALAYSIA

zf, iu^ CAWANGAN NEGERI SEMBILAN


CHEMISTRY

Kertas 2

Dua jam tiga puluh minit

JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU

1. Tulis nama dan kelas anda pada ruanganyang disediakan.

2. Keftas soalan ini adalah dalamdwibahasa.

Soalan dalam bahasa Inggerismendahului soalan yang sepadan dalambahasa Melayu.

Calon dibenarkan menjawab keseluruhanatau sebahagian soalan sama ada dalambahasa Inggeris atau bahasa Melayu.

Calon dikehendaki membaca maklumatdihalaman belakang kertas soalan ini.

-t.

4.

5.

Untuk Kegunaan P emerilcs a

Kod Pemeriksa:

Bahagian SoalanMarkahPenuh

MarkahDiperoleh

A

1 9

I l0

3 l0

4 l1

5 ll6 9

B7 20

8 20

C9 20

10 20

Jumlah

Kertas soalan ini mengandungi 31 halaman bercetak dan t halaman tidak bercetak

4S4uZ @ 201I MPSM Cawangan Ncgeri Sernbilan I Lihat halaman sebelahSULIT


SULIT 4s4t/2

[3 marks]

[3 markah]

Section ABahagian A

[60 marks]

160 markah)

Answer all the questions in this scction,Jawab semtta soalan dqlam bahagian ini.

Diagram I represents the structure of an atom P of an element.

Rajah I menunjukkan struktur atomP bagi satu unsur.

(a) (i)

Diagram 1

Rajah I

Referring to Diagram 1, name the subatomic particles,Write your answer in the spaces provided.

Merujuk kepada Rajah I, namqkan zarah subatomTuliskan jawopan dalam ruang yang disediokan

State two subatomic particles that have the same mass.

Nyatakan duazarah subatom yang mempunyai jisim yang sama.

(ii)

[1 mark]

lI markahl


4541 /2 @ 201 1 MPSM Cawangan Negeri Sembilan


SULIT aJ

State the proton number and nucleon number of atom P.

Nyatakan nombor proton dan nombor nukleon bagi atonP.

4541/2

(iii)

Proton number :

Nombor proton

Nucleon number:

Nombor nukleon

[2 marks]

12 markahl

(iv) Write the standard representation for an atom of element P.

Tuliskan perwakilan piowai bagi atom unsurP.

[1 mark]

U markohl

There are two types of isotopes, the radioactive and the non-radioactive isotopes.

Terdapat dua jenis isotop, radioaktif dan bukan radioaktif.

(i) State one example of radioactive isotope.

Nyolakan satu contoh isotop yang radioaktif.

[1 mark]

lI marlshl

Based on your answcr in b(i), state one uses of radioaotive isotope,

Berdasarkan kepada jctwapan anda di O)(i), nyatakan satu kegunaan isotop yangradioaktif.

[1 mark]

I narkahl


(b)

(ii)

4541D @ 2011 MPSM Cawangan Ncgcri Scmbilan


SULIT

2 Diagram 2 shows a list of substances.Rajah2 menunjukkan satu senarai bahan.

4s4u2

Hydrochloric acid

Asid hidroklorik

Sulphuric acid

Asid sulfurik

Ethanoic acid

Asid etanoik

Potassium hydroxide

Kalium hidrol<sida

Substance XBahanX

Dragram 2

Rajah2

(a) State the meaning of acid.

Nyatakan maksud asid.

[1 mark]

I markah)

(b) Sulphuric acid reacts with potassium hydroxide solution to form Substance X.

Asid sulfurik bertindak bqlas dengan larutan kalium hidrolsida membentukBahanX.

(D Name the reaction.

Namaknn tindak balas ini.

[1 mark]

ll markah)


4541D @ 201I MPSM Cawsngan Negeri Sernbilan


SULIT

(ii) Name substance X.

Namaksn bahanX.

4s4u2

[1 mark]

lI morkahl(iii) Write a balanced chemical equation for this reaction.

Tulisknn persamaon kimia seimbang bagi tindak balas ini.

[2 marks]

12 markahl

(c) Table 2 shows the pH value of 1 mol dm'3 of hydrochloric acid and 1 mol dm'3 ofethanoic acid.

Jadual2 menunjukkon nilai pI7 bagi I mol dm-3 asid hidroklorik dan 1 mol dm-3 asid

etanoik.

AcidAsid

pH ValucNilai ptl


Ethanoic acidAsid etanoik

5

Table 2

Jadual 2

(i) Predict the pH value of hydrochloric acid.Write your answer in the space provided in Table 2.

Ramalkon nilai pHbagi asid hidroklorik.Tuliskanjawapan anda pada ruongqnyang disediakan dalam Jadual 2.

I l mark]

ll narkahl


4541 n @ 201 I MPSM Cawangan Negeri Sembilan


SI]LIT 4s4tn

(ii) Explain why the pH value of hydrochloric aoid and ethanoio acid are different.

Terangknn mengopq nilai pH bagi asid hidroklorik dan asid etanoik adalahberbeza.

[4 marks]

14 markahl

4541 D @ 201 I MPSM Cawangan Negeri Sembilan

I

pihat halaman sebelahSULIT


SULIT 454u2

3 An experiment is carried out to detennine the relative position of three metals, P, Q and R,

in the electrochemical series. Diagram 3 shows the results of the experiment.

Satu eksperimen dijalankqn mtuk menenlukan kedudukan relatif bagi tiga logam, P, Q dan

R dalam siri elektrokimia. Rajah 3 menunjukkan keputttsan bagi eksperimen tersebut.

Diagram 3

Rajah 3

(a) Based on the results, arrallge the three metals P, Q and R in order of decreasingelectropositivity.

Berdasarkan kepada keputusan, susun tiga logam P,Q dan R tersebut mengikut tertibm enurun ke e I e ktop o s it ifan ny a.

[1 mark]

[I narkoh]


ExpcrimentEksperimen

I II III

Apparatusset-up

Susunanradas

Metal P

Logam

Q nitrate solutiorLarulan Q nitrat

Metal RLogamR

Q nitrate solutiorLarutan Q nitrat

Metal P

LogamP

R nitrate solutior

LarutanRnitrat

ru-|_lt-u--)

ReactionTindak balas

OccurredBerlaku

OccurredBerlaku

Does not occurTidak berlaku

4541 n @ 201 1 MPSM Cawangan Negeri Sembilan


SULIT

(b)

454u2

Metal P is copper.Based on Experiment I,

LogamP adalah kuprum.B erdasarlrsn Elaperi men l,

(i) name Q nitrate solution.

namaksn larutan Q nitrat.

[1 mark]

I narkahl(ii) write the ionic equation for the reaction.

tuliskan persamqan ion bagi tindak balas ini.

[2 marks]

12 markahl

(iii) state one observation.

nyat a kan s at u p e m erhati an,

[1 mark]

11, markahl

(c) Explain why there is no reaction occurs in Experiment IIL

Terangkan mengapo tiadq tindok balas berlaku dalam El<sperimenIII.

[2 marks]

[2 markah]


4S4l/2 @2011 MPSM Cawangan Negeri Sembilan


SULIT

(d) (i)

454112

Draw a labelled diagram of a simple voltaic cell using metal P and Q as elecnode.

Lukisknn satu gambarajah berlabel satu sel kimia ringlcas dengan menggunalwnlogamP dan Q sebagai elektrod.

[2 marks]

12 markahl

State the positive terminal of the voltaic cell in (d) (D.

Nyatalmn terminal positif bagi sel kimia dalam (d) (D.

(ii)

[1 mark]

I markahl

[Lihat halaman sebelahSI]LIT

4541D@201I MPSM Cawangan Negeri Sembilan


SULIT 4541/2

4 Two experiments are carried out to investigate the rate of reaction of magnesium reacts withsulphuric acid.Table 4 shows the results of Experiment I and II.

Dua eksperimen lelah dijalankan untuk mengkaji kadar tindak bolas bagi tindak balasantara rnagnesium dan asid sulfurik.Ja dua I 4 menunj ukkan keputus an E ksperimen I dan II.

Table 4

Jadual 4

(a) Write the ionic equation for the reaction between magnesium and sulphuric acid.

Tuliskan persamaon ion bagi tindak balas rnagnesium dan asid sulfurik.

[2 marks]

12 markahl


10

ExperimentEksperimen

ReactantBahan tindak balas

Temperature/oCSuhu fC

Total volume of gas

collected in2 minutes /cm3

Jumlah isi padu gasyang dikumpulkandalam 2 minit /cm"

I

Excess magnesiumpowder + 20 cm3 of 0.Imol dm-3 sulphuric acid

Serbuk magnesiurnberlebihqn + 20 cm3

0.1 mol dm-3 asid sulfurik

30 22.0

II

Excess magnesiumpowder + 20 cm' of 0.1

mol dm-3 sulphuric acid

Serbuk magnesium ^berlebihan + 20 cm'

0.1 mol dm'3 asid sulfurik

40 37.0

4541 2 @ 201 I MPSM Cawangan Negeri Sembilan


SULIT l1 4s4u2

[2 marks]

12 markahl

(b) Calculate the average rate of the reaction for the first two minutes in cm3 s-1.

Hitungkan kodar tindak balas purata bagi dua minit pertama dqlam cm3 s'1.

(i) Experiment I :

Eksperimenl:

(ii) Experiment II :

El<sperimenll:

[2 marks]

[2 markah]

(c) Calculate the maximum volume of gas produced in Experiment II.

[1 mol of gas occupies 24 dm3 at room condition]

Hitungkan isipadu maksimum gas yang dibebaskan dalam EksperimenII.

I mol gas menempati 24 dmt pada keadaan bilik]


4541D @ 20ll MPSM Cawangan Negcri Sombilan


SULIT 4541/2

(d) Sketch the graphs of the total volume of gas collected against time for Experiment Iand Experiment II on the same axes.

Pada pal<si yang sama, lakarkan graf isipadu gas yqng terkumpul melawan masauntuk Eksperimen I dan Elrsperimen Il.

[2 marks]

12 markahl

(e) Compare the rate of reaction between Experiment I and Experiment II.Explain why there is a difference in the rate of reaction based on the collision theory.

Bondingkan kndar tindak bolas antara Eksperimenl dan Eksperimen lI.Terangkan kenapa terdopat perbezqan kadar tindakbalas itu berdasarkan teoriperlanggaran.

[3 marks]

[3 markah]


l2

4541 /2 @ 20ll MPSM Cawangan Negeri Sembilan


SULIT 13 4s4t/2

Diagram 5.1 shows the apparatus set-up for the heating of copper(Il) carbonate.

Rajah 5.I menunjukkan susunan radas bagi pemanosan kuprum(II) karbonat.

Copper(Il) carbonateKuprum(Il) karbonqt

tHeat

Pana,skanLime waterAir kapur

Diagram 5.1

Rajah 5.1

(a) State two changes that can be observed after the heating.

Nyalakan dua perubahan yong boleh diperhatikan selepos pemonasan.

[2 marks]

12 markahl(b) Write a balanced chemical equation for the heating reaction.

Tulis satu persqmaan kimia yang seimbang bagi tindak balas pemanasqn itu.

(c) 'Ihe residue of this heating is reacted withsolution. Name substance X.

[1 mark]

[1 markah]

substance X to produce copper(Il) sulphate

Baki bagi pemonqson ini bertindak balas dengan sebqtianX unluk membentuk larutan

kuprum(II) sulfat. Nam akan s eb ati an X.

[1 mark]

ll markahl


4541/2 A 20ll MPSM Cawangan Negeri Scmbilan


SULIT 454U2

(e) Copper(Il) sulphate solution produced in reaction (d) is an electrolyte.Diagram 5.2 shows the apparatus set-up of two electrolytic cells.

Lorutsn kuprum(Il) sulfat yang dihasilknn dalam tindak balas di (d) ialah satu elektrolit.Rajah 5,2 menunjukknn susunan radas bagi dua sel elektrolisis.

14

Cell ISell Carbon electrode

Elektrod karbon

Copper(lI) sulphate solutionL a rut a n kupru m (II) s ulfa t

Copper electrodeElektrod kuprum

Copper(Il) sulphate solutionL aru t qn kuprum(II) s ulfat

Cell IISelll

Diagram 5.2Rajah 5.2

(i) State all the ions present in copper(ll) sulphate solution.

Nyatakan semua ion yang hadir dalam larutan kuprum(Il) sulfat.

[1 mark]

Il narkahl


4541/2 @ 2011 MPSM Cawangan Negeri Sembilan


SULIT t5

(ii) Based on the Diagram 5,2, complete Table 5.

Berdasarkan Diagram 5.2, lengkapkan Jaduql 5.

454u2

CellSel

Product formedat the anode

Hasil terbentuk dianod

Factor affecting the product formed at the anodeFaktor yang mempengaruhi hasil terbentuk di anod

I

il

Table 5Jadual 5

[4 marks]

[4 morkah]

(iii) The intensity of blue colour of copper(ll) sulphate solution remain unchanged aftera few hours.Explain why.

Keamatan warna biru bagi larulan kuprum(Il) sulfat kekal tidak berubah selepasbeberupu jam.Terangkan rnengqpq,

[2marks]12 markahl


4541D@201I MPSM Carvangan Negeri Sembilan


SULIT 4s4l/2

Diagram 6.1 shows the apparatus set-up of an experiment to determine the reactivity series

of metals towards oxygen.

Rajah 6.1 menunjukkan susunan radas bagi satu el<sperimen untuk menentuknn sirilrere aloifan logam terhadap oksi gen.

Glass wool Metal powderWul kaca Serbuk logam

Potassium manganate(Vll)Kalium manganat(Yll)

t6

+lleatPanaskan

+HeatPanaskqn

Diagram 6.1

Rajah 6.1

Table 6.1 shows the observation when different metals react with oxygen.Letters W, X and Y represent three unknown metals.

Jadual 6.1 menunjukkan pemerhatian bagi logam berbeza yang telah bertindak balas

dengan gas olcsigen. Huruf W ,X danY meyvakili tiga logam yang tidak diketahui.

ExperimentEksperimen

Metal powderSerbuk logam

ObservationPemerhatian

I wBurn brightly

Menyala terang

II XGlow faintly

Membara malap

III YGlow brightly

Membara terang

IVZincZink

Burn slowlyMenyala perlahan

Table 6.1

Jadual6.l


4541n@201I MPSM Cawangan Negeri Sembilan


ST]LIT

(a) State the function of

Nyatakanfungsi

t7 4s4U2

(i) potassium manganate(VII)

kalium manganat(Yll)

[1 mark]

ll markahl

(ii) glass wool

wul kaca

[1 mark]

II marknhl

(b) Based on Experiment IV:

B e r das arksn El<spe ri m e n IY :

Write a balanced chemical equation of the reaction.

Tulislran persamaan kimia bagi tindak balas itu.

(i)

[1 mark]

ll markahl

(ii) State the change in oxidation number of zinc.

Nyatalran perubahan nombor pengoluidaan bagi zink,

[1 mark]

ll marknhl


4541n @ 20ll MPSM Cawangan Negeri Sembilan


SULIT 454U2

(c) Based on the observations in Table 6.1, arrange metals X,Y,Z and zinc in descendingorder of the reactivity totvards oxygen.

Berdasarkan kepada pemerhatian di Jadual 6.1, susunkan logamJogam X,Y, Z danzink mengikut tertib menurun dalam kereaktifan terhadap oksigen.

[1 mark]

ll markahl

Carbon is placed between metal X and zinc in the reactivity series of metals.Which metals can be extracted from their oxides by using carbon when heated together?

Mark (r/) in the spaces provided in Table 6.2.

Karbon berada di qntara logam X dan zink dalam siri kereaktifan logom.Logam manakqh boleh diekstrak daripada oksida logamnya dengan menggunakankorbon apab ila dipanaskan be rs qma.

Tandakan (rh datam ruangon yang disediaksn dalam Jadual6.2.

Table 6.2,Iadual6.2

I mark]

I markahl


l8

(d)

MetalIogam

w X YZincZink

4541/2 @ 20ll MPSM Cawangan Negeri Setnbilan


SULIT

(d)

19

Diagram 6.2 shows the extraction of iron in a blast furnace.

Rajah 6.2 menunjukkan pengekstrakan besi dalam relau bagas.

454u2

A mixture of concentrated iron ore, substance R and limestoneCampuran bijih besi, bahan R dan batu kapur

Waste gasWaste gas

GasGas buangan

200"c

7000c

1 600"c

2000"cIlot air blastUdara panas \ Hot air blast

Udara panas

Molten ironLeburan besi

\

Diagram6.2Rajah 6.2

SlagSanga

(i) Name substance R.

Namalrnn bahan R.

[1 mark]

ll markahl(ii) State why substance R is chosen.

Nyatakan kenapa bahanR tlipilih.

I mark]

ll markahl

(iii) State one uses of slag.

Nyataknn salu kegunaan sqngq.

[1 mark]

ll markahl


4541D @ 2011 MPSM Cawangan Negeri Sembilan


SULIT 20

Section BBahagianB

[20 marks]

120 markahl

Answer one question frorn this section.Jawab satu soalan daripada bahagian ini.

7.1 shows a process of manufacturing ammonia.

me nunj ukkan s at u pro s e s p e ngh as i I qn arn m o n i a.

Gas MixtureCampuran gas

ReactorReaktor

Diagram 7.1

RajahT.I

454712

Liquid ammoniaCecqir ammonia

(a) Diagram

Rajah 7,1

Nitrogen gas

Gas nitrogen

Hydrogen gas

Gas hidrogen

(i) Name the process and write the chemical equation for the reaction involved.

[3 marks]

Namaknn pro,se,v itu dan lulisknn persamaqn kimia bagi tindak bala,s yang terlibat.

13 markahl

(ii) Based on Diagram 7.1, state all the conditions required for the optimum productionof ammonia.

[3 marks]

Berdssqrkan Rajah 7.I, nyatakan semua keqdaan yang diperlukan untukpenghasilan ammonia secdla oplimum.

[3 markah]


4541/2 O 2011 MPSM Cawangan Negeri Sembilan


SULIT 4s4l12

(b) (i) Ammonia is used to rnake fertilizer such as ammonium sulphate.Describe an experiment to prepare ammonium sulphate in laboratory.

You are given the following materials:. ammonia solution. sulphuric acid

[7 marks]

Anmonia digunakan untuk membuat baja seperti ammonium sulfat.Huraiknn sqtu eksperimen untuk menghasilkan ammonium sulfat di dalam malcrnal.

Anda dibekalkon b ahqn-bahan b erikut :t larutan ammonia. asid suVurik

17 markahl

(ii) Ammonium sulphate, (NFI+)zSO+ and urea, (NH2)2CO are two examples offertilisers.Determine which is thc better fertilizer. Explain your answer.

[Relative atomic mass; H=1, C:12, N=14, 0:16, S:32]

[4 marks]

Ammonium sulfat, OIII+)zSO+ dan ured, OIII2)2CO adalah dua contoh baja.

Tentukan baja manakah yang lebih baik. Terangkan jowapan anda.

lJisim atom relatif;H:l, C:12, N:14, 0=16, S=32]

14 markah)


2t

454112 @ 201I MPSM Cawangan Negcri Sembilan


SI]LIT 22

(c) Diagram 7.2 shows the structural formula of a polymer,

R.aj ah 7 .2 menunj ukkan formul a s truktur s atu pol im e r.

qH, QHil'l-c-cH"-G-ci{| 'l

HH

454112

[3 marks]

13 marlwhl

Diagram7.2Rajah7,2

(i) Draw the structural formula of monomer for the polymer.

Lukiskanformula struktur monomer bagi polimer itu.

(ii) Name the monomer.

Namaksn monomer itu.

(iii) State one uses of the polymer.

Nyataknn satu kegunaan polimer itu.


454112 @ 2011 MPSM Cawangan Negeri Sembilan


SULIT 23 454112

(a) Diagram 8.1 shows the foods that contain stabilizers, a type of food additives,

Rajah B.l menunjukkan maksnan yang mengsnclungi penstqbil,makanan.

Diagram 8.1

Rajah B,l

Give onc example of stabilizer and state its function.

Beri satu contoh penstabil don nyatafutn fungsinya.

MSG is an acronym of a type of food additive,

o Name the food additiveo State two functions of MSG.

MSG adalah akronim bagi sejenis bahan lamhah makanun.

o Namaksn baltan tambah makanan itu.. Nyatakan duafungsi MSG.

n tsmbqh

(i)

(ii )

[2 marks]

12 markohl

[3 marks]

13 ruarkahl

[Lihat halarnan scbelahSULIT

454U2 A 2}ll MPSM Cawangm Negeri Sernbilan


SULIT

(b)

4s4t/2

Salt is a type of food additive. salt is added to fish and is then driedunder sunlight so that it can be kept for longer period of time.

Garam adalah satu jenis bahan tambqh mqkanqn. Garam ditambahpada iknn dan kemudian dijemur di bawah matahari supaya ia bolehdisimpan dengan lebih lama.

(i) State the type of food additive for salt.

11 marklNyatakan jenis bahan tambqh mqkonan bogi garam.

ll marknhl

(ii) Explain the function of the salt.

[2 marks]Terangkan fungs i garam ini.

12 markahl

(iii) Name another substance that has the same function as salt.

[1 mark]Namakan satu bahan lain yang mempunyai fungsi yang sqmq seperti garam.

ll markahl


24

4541/2@2011 MPSM Cawangan Negeri Sembilan


SULIT

Grease

Gris

Clothkain

25 454112

[8 marks]

l8 markahl

[2 marks]

12 markahl

(c) Diagra m 8,2 shows the cleansing action of soap on a piece of stained cloth,

Rajah 8.2 menunjukkan tindakan pencucian oleh sabun lre atas sehelai kain yang kotor.

(d)

Diagram 8.2

Rajuh 8.2

Describe the cleansing action of soap on the stained clotli'

Huraikan tindakan pencucian oleh sabun ke atas kain yang kotor-

Diagram 8.3 shows a child that having fever.

Rajah 8.3 menunjukkan seornng kanak-kanakyang demam'

Diagram 8,3

Rajah 8.3

(i) Name the modern medicines that can be used to treat the child.

[1 rnark]

Namakan ubat moden yang boleh digunakan untuk merawat kanak-kanak ini'll markahl

(ii) State two correct usage of this medicine.

Nyataknn d.ua cara penggtlnaan yang betul hagi ubat ini'


+S4tlA O Z0'l I MPSM Cawangan Ncgori Scmbilan


SULIT 26 454u2

Section CBahagian C

[20 marks]

120 markahl

Answer one question from this section.Jawab sotu soalan daripada bahagian ini.

9 38.4 g of acid Y is dissolved in 100 cm3 of distilled water.

(a) (i) Determine the concentration of acid Y solution in unit of mol dm-3

IRelative molecular mass of acid y: 192]

38.4 g qsidY dilarulknn dalam 100 cm3 air suling.Tentukan kepekatan larutqn asidY dalam unit mol dm-3.

I Jisim molekul relatif asid Y : 192]

[2 marks]

[2 marlwh]

(ii) Describe two methods to verify the solution is an acid.In your answer, include example of an acid and chemical equation for the reactionsinvolved,

[8 marks]Huraikan dua cara untuk mengesahkan larutan itu adalah asid.Dalamiawapan anda, sertakan contoh satu asid dan persamqan kimia bagi tindakbalas yang terlibat.

[8 markah]


4541D @2011 MPSM Cawangan Ncgcri Scmbilan


SULIT 4s4u2

Mixture ofzinc nitrate and zinc chloride solution

Campuran larutanzink nitrat dan zink klorida

Diagram 9Rajah 9

Describe the confirmatory tcst to determine the presence of cation and anion in thesolution.Your description must include all the materials used, observations and conclusion.

[10 marks]

Huraikan ujian pengesahan untuk menentukan kehadiran kation dan anion dalam

larulon lersebut.Huraian anda mesti mengandungi semua hahan yang digunakan., pemerhatian dankesimpulan.

ll0 markqhl


27

(b) Diagram 9 shows a reagent bottle contains mixture of zinc nitrate and zinc chloridesolutions.

Rojah 9 menunjukkan botol resgen yang mengondungi campuran larulan zink nilratdan zink klorida.

f$'\

454112 @2011MPSM Cawangan Negeri Sembilan


SULIT 4s4U2

10 (a) Table 10 shows the melting point, solubility in water and electrical conductivity of threesubstances P, Q and R.

Jadual l0 menunjukkan takat Iebur, kpterlarutan dalam air dan kekonduksian elehrikbagi tiga bahan iairuP,Q danR.

SubstanceBahan

Melting point / oC

Takat lebur /oCSolubilityin water

Kelerlarutandalam air

Electrical ConductivityKekonduksian elektrik

In solid stateDslam keadaan

pepejal

In molten stateDalam keadaan

Ieburan

P 1536 InsolubleTidqk larul

YesYa

YesYa

0 801 SolubleLarut

NoTidak

YesYa

R 80 InsolubleTidak larut

NoTidak

NoTidak

Table l0Jadual l0

Based on the Table 10:

Berdasarkan Jadual l0:

(i) State the type of chemical bonds in substances P, Q and R.

[3 marks]

Nyatakan jenis ikatan kimia bagi bqhanP ,Q danR.13 marknhl

(ii) Explain why substance Q has higher melting points than substance R.

[4 marks]

Terangkan mengqpq bahan Q mempunyai takat lebur yang lebih tinggi daripadabahanR.

14 marknhl


28

4541/2@201I MPSM Cawangan Negeri Sembilsn


SULIT 29 454y2

(iii) Describe an experiment to show the electrical conductivity for substance Q and R.

Your answer should include the following:

r The labelled diagram showing the apparatus set-up

. Procedure of experimento Explanation of obscrvation

[9 marks]

Huraipan satu ekspcrimcn untuk menunjukkan kekonduksian elektrik bagi bahan Q

dan bahanR.Jawapan anda hendaklah mengandungi perkara berikut:o Gambarajah yang menunjukkan susunan radas dan berlabel

o Prosedur eksperimeno Penjelasan bagi pemerhatian

19 markahl

(b) (i) State onc physical property of Group 1 elements.

(ii) Describe and explain the changes of the physical property stated in (b) (i) when

going down the grouP,[4 marks]

(i) Nyataknn satu,sifat fizik un,sur Kumpulan l.(ti) Hurai dan terangkan perubahan sifatfizikyang dinyatakan dt (b) (i) apabila

menuruni kumPulan itu.14 markahl

BND OF QUESTION PAPERKERTAS SOAI,AN TAMAT


4541/2 @201I MPSM Cawangan Ncgeri Scmbilan


-si E ob:,

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SULIT

Name :

454U3

Class

CIIEMISTRYKertas 3

Ogos/ Sep.I1: iam2"

MAJLIS PENGETUA SEKOLAH MENENGAH MALAYSIACAWANGAN NEGERI SEMBILAN


t.

CHEMISTRY

Kertas 3

Satu jam tiga puluh minit

JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU

Tulis nama dan kelas anda pada ruanganyang disediakan.

Kertas soalan ini adalah dalamdwibahasa.

Soalan dalam bahasa Inggerismendahului soalan yang sepadan dalambahasa Melayu.

Calon dibenarkan menjawab keseluruhanatau sebahagian soalan sama ada dalambahasa Inggeris atau bahasa Melayu.

Calon dikehendaki membaca maklumatdi halaman belakang kertas soalan ini.

)

aJ.

4.

5.

Un lu k Ke guna an P e m e r i l<s.t

Kod Pemeriksa :

SoalanMarkahPenuh

MarkahDiperoleh

1 24

1 9

3 l7

Jumlah 50

Kertas soalan ini mengandungi l1 halaman bercetak dan t halaman tidak bercetak

454113 O 2011 MPSM Cawangan Negeri Sembilan [Lihat halaman sebelahSULIT


SULIT

50 cm3 0.2 mol dm-3 copper(Il)sulnhate solution50 cm3 0.2 mol dm'3

I arut on kup rum(Il) s ulfu t

Mixture of 50 cm3 0.2 mol dm-j

copper(Il) sulphate solution =magnesium powd.er in excess :

t-:-#-:#- calmpuran jo .-' o'2 mol dm-'

larutan kuprum(II) sulfat -serbuk magnesium dalam

berlebihan

Mixture of 50 cmr 0.2 mol dm-3

copp er(II) sulphate solution+ zinc oowder in excess

50 cmf 0,2 mol dm-3 larutankuprum(Il) stilfat 0.2 mol dm-3 +

serbuk zink dalam berlebihan

454v3


Answer all questionsJawab semua soalan

Diagram 1.1 shows the set-up of two experiments to determine the heat of displacement

of cipper from its salt solution. Excess of magnesium powder and zinc powder are added

to copper(Il) sulphate solution in two separate containers.

Roiah-l,I' menuiiukkayt susunan ra(las bagi dua eksperimen untuk tnenentuksn haba

pinyuroro, kupium daripacla lanttan Soramnya, Serbuk magnesium dan serbuk zink^ditambah

,uriro berlebihan ke dalam dua bekas berlainan yang mengandungi lqrutatt

kuprum(Il) sulfut.

.a'

50 cm3 0.2 mol dm-3

Diagram 1.1

Rajah 1.1

Experiment I

454113 O 201I MPSM Cawangan Negeri Sembilan


SULIT 3 454U3

(aXi) Based on Diagram 1.1, compare the observations in Experiment I and II.Berdasarkan kepado Rajah LI, bandingkan pemerhatian dqlam Eksperimenl danlI.

[3 marks]

[3 markoh]

(ii) State one inference based on the observations.Nyatakan satu inferens berdssarkan kepada pemerhatian itu.

(b) Based on Diagram 1.1, complete the table below.Berdasarkan kepada Rajah I,l, Iengkapkan jadual beriht.

[3 marks]

[3 markah]

[3 marks]

13 markah)


ParticularBuliran

Experiment IEksperimenl

Experiment IIEksperimenll

Highest temperature of the rnixture/ oC

Suhu tertinggi bagi campuron/oC

Initial temperature of copper(II) sulphate solution/ oC

Suhu awal larutan kuprum(II) sulfatloC

Change in temperature/ oC

Perubahan suhul oC

454113 @ 20ll MPSM Cawangan Negeri Sembilan


SULIT 4(c) State the variables in this experiment:

Nyat alran pemb ole hub ah dal am e l<spe rime n ini :

(i) The manipulated variable:P e mb olehub ah dimanipulas i.:

454U3

(ii) The responding variable:P emb o Ie hub ah b erge rak b al as :

(iii) The fixed variable:P emb ol e hub ah dim al arkan:

t3 ma*sl[3 nulrah]

(d) State one hypothesis for both experiments.Nyatalran salu hipotesis bagi kedua-dua elEerimen ini.

t3 nel$lt3 nulcalrl

454U3 @ 201I MPSM Cawangan Nogeri Sembilan [Lihat halaman sebelahSULIT


SULIT 5 4541/3(e) Diagram 1.2 shows the calculations to determine the heat of displacement for the reaction

in Experiment I and II.Write appropriate values in the spaces provided in Diagram 1,2.Rojahl.2 menunjukkan pengiraan untuk menentuksn haba penyesaran untuk tindak balasdatram El<sperimen I dan II.Tuliskan nilai yang bersesuaian dalam ruang yqng disediaksn dalom Rajah 1.2.

Experirnent IEksperimenl

Heat released

Haba yang dibeboskan

= mcO

=50x 4.2J g't oc-r x ..."... oC

I a r u t a n kup r um (II) s ulfat

50 x 0.2

1000

= 0.01

Experiment IIEksperimenll

Heat released

Haba yang dihebaskan

= mcO

=50x4,2Jg'1 'C-t x .......0C

I arut qn kuprum(II) sulfat

50 x 0.2-

1000

= 0.01

Number of mole of 50 cm3 0.2 mol I Number of mole of 50 cm3 1.0 moldm'3 copper(Il) sulphate solution I at-'copper(ll) sulphate solution

Bilangan mol50 cm3 0.2 mol dm-3 | Bitongrn mol50 cm3 0.2 mol dm'3

Heat of displaoement of copper by I Heat of displacement of copper bymagnesium I zinc

Haba penyesaran kuprum oleh I Haba penyesarqn kuprum oleh zinkmagnesium

kJ mol''

0.01

=...............................kJ mol-l

0.01

Diagram L.2

Rajoh 1.2

454113 @ 2011MPSM Cawangan Negeri Sembilan

[3 marks]

[3 markah ]



SULIT 6 454113

(0 Based on Diagram l.2,the values of heat of displacement in Experiment I and II are

different.Explain why.

Berdasarkan Rajah !.2, nilai haba penyesaran dalam Eksperimenl danI| adalah

berbeza.Terangkan mengapa.

[3 marks]

[3 markah]

(g) State the operational definition for heat of displacement in Experiment I.

Nyatakan deJinisi secora operosi bagi haba penyesaron dalam Eksperimenl.

[3 marls]

13 narkahl


4541R @ 2011 MPSM CawanganNegeri Sembilan


SULIT 7 4541/32 An experiment is caried out to study the relationship between the concentration of

hydroxide ions and the pH value of ammonia solution.The pH value of different concentration of ammonia solutions was measured using a pHmeter. Table 2 shows the concentrations of ammonia solution and their respective pHvalues.

Satu eksperimen lelah dijalankan untuk mengknji hubungan antaro kepekatan ionhidrol<sida dan nilai pH larutan amrnonia. Ja&MI2 menunjukkan kepekatan larutanammonia dan nilai pH masing-masing.

BeakerBikar

Concentration of ammonia solution( mol dm-3)Kepekatan larutan ammonia ( mol dm-3)

pH valueNilai pEl

t 0.060 8.8

1 0.040 8.6

3 0.025 8,4

4 0,015 8,2

5 0.010 8.0

Table2Jadual 2

(a) Based on Table 2, plol a graph pH value against concentration of ammonia solution.Berdasarkan kepada Jadual2, plotknn graf nilai pH melawan kepekatan larutanammonia.

[3 marks]

[3 markah]


4541/3 O 201I MPSM Cawangan Negeri Sembilan


SULIT

4541/3 O 2011 MPSM Cawangan Negeri Sembilan

8 454U3Graph pH value against concentration of ammonia solution

Graf nilai pH melawan kepekatan lqrutan atnmonia

[Lihat halaman sebelahSIJI,IT


STILIT s 4s4t/3

(b) State the relationship between concentration of hydroxide ions and the pH value ofammonia solution.Nyatalron hubungan antara kepekotan ion hidroksida dan nilai pH bagi larutan ammonia.

[3 marks]

[3 marlcnh]

(c) By using the graph, predict the pH value when concentration of ammonia solution is0.1 moldm-'.

lengan menggunakan graf itu, ramalkan nilai pHlarutan ammoniayang mempunyaikepekatan 0.1 mol dm'i.

[3 marks]

[3 marknh]

pihat halaman sebelahSULIT

454113 @ 20l l MPSM Cawangan Negeri Sembilan


10 4s4U3Diagram 3 shows two bottles containing hexane and hexene.Rajah 3 menunjukkan dua botol yang mengandungi heksana dan hel<sena.

Diagrarn 3Rajah3

You are given bromine water as a reagent. Plan a laboratory experiment to differentiatethe two hydrooarbons.Your planning should include the following aspects:

Anda dibekalkan reagen air bromin. Rancang satu elrsperimen mqkmal untukmembezqkan dua hidrokarbon itu.P er a nc an gan andu m e s I il uh m e n gandun gi p erkar a-p e rkar u b e r i kut :

(a) Problem statementPernyataan rnqsalah

(b) All the variablesSemua pentbolehubqh

(c) Statement of hypothesisPernyataan hipolesis

(d) List of substances and apparatusSenqrai bohqn dan alat radas

(e) Procedure of the experimentProsedur eksperimen

(0 Tabulation of dataPenjadualan data

[17 marks]

ll7 markahl

BND OF' QUESTION PAPERKERTAS SOALAN TAMAT


SULIT

454113 @ 20ll MPSM Cawangan Negeri Sembilan


SULIT 11

BLAI\K PAGEHALAMAN KOSONG

4s4It3


4541/3 @ 201I MPSM Cawangan Negeri Sembilan


SULIT 4541t3

INFOR.MATION FOR CANDIDATESMAKLAMAT UNTUK CALON

1. This question paper consists of two questions: Question 1, Question 2 and Question 3.

Kertas soalan ini mengandungi dua soalan: Soalan l, Soalan 2 dan Soalan 3.

2. Answer all questions. Write your answers for Question 1 and Question 2 in the spacesprovided in this question paper.

Jawab semuo soalan. Tulis jawapan anda bagi Soalan I dan Soalan 2 pada ruang yongdisediakan dalam knrtas soalqn ini.

3. Write your answers for Question 3 on the 'helaian tambahan' provided by theinvigilators. You may use equations, diagrams, tables, graphs and other suitable methodsto explain your answers.fulis jawapan anda bagi Soalan 3 dalam helaian tambahan yang dibekalkan olehpengowas peperiksaan. Anda boleh menggunakan persqmaan, rajah, jadual, graf dancara lain sesuai untuk menjelaskan jawapan anda.

4. Show your working, it may help you to get marks.Tunjukkan kerja mengira, ini membantu anda mendapatkan markah.

5. The diagrams in the questions are not drawn to scale unless stated.Rajah yang mengiringi soalan tidak dilukis mengikut skala kecuali dinyatakan.

6. The marks allocated for cach question or sub-part of a question is shown in brackets.Markoh yang dipenrntukkqn bagi seliap so.tlan atau ceraiqn soalan ditunjukkan dalamkurungan.

7 . If you wish to change your answer, cross out the answer that you have done. Then writedown the new answer.Jika onda hendak menukar jawapan, batalkan jawapan yang telah dibuat. Kemudiantulis jatuapan yang baru.

8. You may use non-programmable scientific calculator.Anda dibenarksn menggunakan kalkulator saintffikyang tidak boleh diprogram.

9, You are advised to spcnd t hour to answer Question I and Question 2 and 30 minutesfor Question 3.

Anda dinasihati supaya mengambil masa I jam untuk menjawab Soalan I dan Soalan 2dan 30 minit untuk Soalan 3.

10. Tie the 'helaian tambahan' together with this question paper and hand in to theinvigilator at the end of the examination.Ceraikan Soalan 3 daripada kertas soalqn ini. Ikat helaian tambahqn bersama-samqkertas soalan ini dan serahkan kcpada pengawas peperiksaan pada akhir peperiksaan.

454113 @ 2011 MPSM Cawangan Ncgeri Sembilan

SULIT


M,AJT.X S FE NGE TEJA SE {<OT,AE{ VTEI{ENGAF{ R,€AL A.YS E.A

CAWANG,A}\ NEGERI SEMtsILAN

PEFEzuKSAAN FERC{JBAAN BERSAMASIJIT. PELA.IAR.AN ]VTALAVSNA 201 1

CFIEIV{IST'RY KER.TAS 1

No" Kev No. KeyI rt zfy C

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71 B 36 A1J A 37 B13 D 38 C14 A 39 D15 B 4{t A.

16 A 4\ ts

L7 It A,| D18 C 43 C!9 C 44 B?0 B 45 B

2\ l) 46 B11 E 47 Aj1 D 48 D24 D 49 D25 A 50 C


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454u1 CHEMISTRY Sembilan... · SULIT 4541/1 6 What is the uscs ofisotopes iodine-131? Apakah...

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Transcript of 454u1 CHEMISTRY Sembilan... · SULIT 4541/1 6 What is the uscs ofisotopes iodine-131? Apakah...