Paper 1 chemistry spm sbp

SULIT 4541/14541/1KimiaKertas 1Ogos20071¼ jam

BAHAGIAN SEKOLAHKEMENTERIAN PELAJARAN MALAYSIA

______________________________________________PEPERIKSAAN PERCUBAAN SPM 2007

KIMIA

Kertas 1

Satu jam lima belas minit

JANGAN BUKA KERTAS SOALAN INI HINGGA DIBERITAHU

1. Kertas soalan ini mengandungi 50 soalan.2. Jawab semua soalan3. Jawab dengan menghitamkan ruangan yang betul pada kertas jawapan4. Bagi setiap soalan hitamkan satu ruangan sahaja5. Sekiranya anda hendak menukar jawapan, padamkan tanda yang telah dibuat.

Kemudian hitamkan jawapan yang baru.6. Rajah yang mengiringi soalan tidak dilukiskan mengikut skala.7. Anda dibenarkan menggunakan kalkulator saintifik yang tidak boleh

diprogramkan.

Kertas soalan ini mengandungi 19 halaman bercetak

4541/1 [Lihat sebelahSULIT

SULIT 4541/1

1 Which of the following processes, proved the kinetic theory of matter?

ABCD

DiffusionPhotosynthesisRespirationNeutralization

2 Which of the following is a chemical formula of ammonium sulphate?

ABCD

NH4SO4

(NH4)2SO4

(NH3)2SO4

(NH4)3(SO4)2

3 Elements in the Periodic Table are arranged according to an increase in

ABCD

proton numbernucleon numberrelative atomic massrelative molecular mass

4 Which of the following substances is a covalent compound?

ABCD

CopperAmmoniaLead(II) oxideSodium chloride

5 Which of the following substances is an electrolyte?

ABCD

Hydrogen chloride in methyl benzeneMolten aluminium oxideGlucose solutionCopper(II) carbonate powder

4541/1 [Lihat sebelah SULIT

2

SULIT 4541/1

6 Which of the following statements is true about alkali?

ABCD

Weak alkali is an alkali that undergoes high rate of ionization. Strong alkali has low pH value Alkalis are bases that are soluble in water. Alkalis are not corrosive

7 Which of the following is a soluble salt?

ABCD

Lead(II) iodideCopper(II) carbonateBarium sulphateSodium hypochlorite

8 The body of the car shown in the diagram below is made of alloy T.

What is alloy T?

ABCD

SteelBrassBronzeDuralumin


3

Alloy T

SULIT 4541/1

9 Which of the homologous series is correctly paired to its functional group?

Homologous series Functional groups

A Ester

B Alkene

C Alcohol

D Carboxylic acid

10 Which of the following statements correctly explains the meaning of effective collision?

ABCD

The collision which takes place before reaction.The collision where its energy is less than the activation energy.The collision that can causes reaction.The collision that has the highest energy.

11

Which of the following is true about the substances?

ABCD

Reducing agentOxidising agentDehydration agentHydration agent


4

Bromine water Acidified potassium manganate(VII) Acidified potassium dichromate(VI)

SULIT 4541/1

12 Which of the following processes occurs when ice changes to water ?

ABCD

EndothermicExothermicNeutralizationFreezing

13 Paracetamol is used for

ABCD

reducing painreducing anxietydestroying of bacteriacontrolling the level of glucose in blood

14 The diagram below shows the molecular formula of glucose.

What is the empirical formula for glucose?

ABCD

CH2OCH2O2

C2H4O2

C6H12O6

15 Which of the following is the atomic structure of lithium atom, ?

A B

C D


5

3p 3p

4p 4p

C6H12O6

73Li

SULIT 4541/1

16 The figure shows three elements in Period 3 of the Periodic Table.

X Y Z

Which of the following is true about the properties of oxide formed?

ABCD

The oxide of Z is basicThe oxide of Y is acidicThe formula of oxide Y is YOThe oxide of X reacts with an acid to form salt and water

17 Which of the following substances is made up of ions?

ABCD

SulphurNaphthaleneSulphur trioxidePotassium chloride

18 Which of the following ions are present in copper(II) sulphate solution?

ABCD

Hydrogen ions and hydroxide ionsCopper(II) ions and sulphate ionsCopper(II) ions ,hydrogen ions, suphide ions and oxide ionsCopper(II) ions, hydrogen ions, sulphate ions and hydroxide ions

19 Dry hydrogen chloride gas is passed through methyl benzene for a few minutes. Which of the following statements is true about the liquid produced?

IIIIIIIV

ABCD

it has a pH value of less than 7it consists of hydrogen chloride moleculesit changes blue litmus to redit does not conduct electric current

I and III onlyII and IV onlyI, II and III onlyIV only


6

SULIT 4541/1

20 The diagram shows part of a polymer molecule

CH3 H CH3 H CH3 H

C C C C C C

H H H H H H

Which is its monomer?A B

C D

21 Nitric acid will change to nitrate salt when hydrogen ions are replaced by

IIIIIIIV

ABCD

copper ionhydroxide ioncarbonate ionammonium ion

I and II onlyI and IV onlyII and IV onlyI, III and IV only


7

SULIT 4541/1

22 The graph shows the volume of carbon dioxide gas produced against time for thereaction of calcium carbonate and sulphuric acid.

The gradient of the graph decreases with time because

ABCD

catalyst is not usedvolume of mixture decreasestemperature of reaction decreasesconcentration of sulphuric acid decreases

23 The equation below shows a chemical reaction.

Based on the equation given, name the reaction.

ABCD

Hydrogenation Polymerization HalogenationSubstitution


8

Volume of CO2 gas / cm3

Time / second

SULIT 4541/1

24 The diagram below shows the electrolysis process of copper(II) sulphate solution using copper as an electrode.

Which of the following substances are oxidized and reduced in this cell?

Oxidised Reduced

A Hydroxide ion Copper(II) ionB Hydroxide ion Copper atomC Copper atom Copper(II) ionD Copper atom Hydrogen ion

25 The reaction between nitrogen and oxygen can be represented by the following equation:

N2 (g) + O2(g) 2NO(g) H = +181 kJ

Which of the following energy level diagrams represent the above reaction?

A B

C D


9

Copper

Copper(II) sulphatesolution

2NO(g)

Energy

Energy

N2 (g) + O2(g)

2NO(g)

H = +181 kJ

N2 (g) + O2(g)

2NO(g)

H = +181 kJ

Energy

2NO(g)

N2 (g) + O2(g)

H = +181 kJ

Energy

N2 (g) + O2(g)

H = +181 kJ

SULIT 4541/1

26 The diagram shows a label on a bottle of orange juice.

X is one of the important ingredients to make orange juice last longer.What is X?

ABCD

Sodium nitriteSodium nitrateAscorbic acidBenzoic acid

27 The figure shows the arrangement of particles of a substance that undergoes the change of state through process X

What is process X ?

ABCD

MeltingBoilingFreezingSublimation


10

SUKARAMAI ORANGE JUICE

Ingredients: water, sugar, X , sulphur dioxide, aspartame, vitamin A and D

SULIT 4541/1

28 The equation below shows the reaction between sulphuric acid and sodium hydroxidesolution.

H2SO4 + 2KOH K2SO4 + 2H2O

What is the number of moles of sodium sulphate salt produced if 0.2 mol of sodiumhydroxide is used?

ABCD

0.10 mol0.05 mol0.22 mol0.25 mol

29 The table shows the electron arrangements of atoms of four elements.

Which of the following is the correct arrangement of the elements according to increasing order of electronegativity?

ABCD

F, Al, Cl, KF, Cl, Al, KK, Cl, Al, FK, Al, Cl, F

30 The number of valence electrons of atoms X and Y are 2 and 7 respectively.Which of the following chemical formulae and types of bonding are true for the compound formed between X and Y?

Chemical Formula Type of BondingA XY2 ionicB XY2 covalentC X2Y ionicD X2Y covalent


11

Element F Al Cl KElectron arrangement 2.7 2.8.3 2.8.7 2.8.8.1

SULIT 4541/1

31 The diagram below shows the set-up of the apparatus for electrolysis of concentrated solution of sodium chloride

What is the product formed at the anode and cathode?

Anode CathodeA O2 H2

B Cl2 H2

C Cl2 NaD O2 Cl2

32 The diagram below shows 5 steps for preparing a standard solution of sodium hydroxide, NaOH but not in correct order.

Which of the following steps is correct?

ABCD

Q, S, P, R, TR, Q, S, P, TQ, P, S, R, TR, Q, S, T, P


12

P- Transfer the solid sodium hydroxide into volume into the volumetric flask.Q- Weigh the mass of sodium hydroxideR- Add distilled water until the graduation mark.S- Rinse the weighing bottle and pour the solution into the volumetric flask.T- Shake the volumetric flask.

SULIT 4541/1

33 The diagram below shows the test tubes containing lead(II) nitrate solution and potassium carbonate solution but without a label. Which of the following solutions can be used to distinguish both solutions?

IIIIIIIV

ABCD

Sodium nitrate Sodium iodideDilute nitric acidPotassium sulphate

I and II onlyII and IV onlyII, III and IV onlyI, II, III and IV

34 Which of the following is the alcohol produced from the alkaline hydrolysis of oil?

ABCD

Ethane-1,2-diolGlycerolCyclohexanolButhane-2-ol


13

Lead(II) nitrate solution

Potassium carbonate solution

SULIT 4541/1

35

A group of students carried out an experiment to determine the rate of reaction of zinc metal with dilute hydrochloric acid. The diagram above shows the graph for the total volume of gas collected against time. The average rate of reaction for the whole experiment is :

ABCD

0.3 cm3/s0.25 cm3/s0.17 cm3/s0.13 cm3/s

36 When a mixture of 2-butanol, CH3CHOHCH2CH3 and concentrated sulphuric acid isheated, gas X is produced. Which of the following is the molecular structure of X?

ABCD

CH3CH=CHCH3

CH3CH=C(CH3)2

(CH3)2CHCH=CH2

CH3CH2CH=CH2

37 The diagram below shows the changes of the sulphur in Contact Process.

S SO2 SO3 H2S2O7

Which of the following are the correct changes in the oxidation state of sulphur?

ABCD

0 +4 +6 +60 +4 +6 +71 +3 +6 +81 +4 +6 +6


14

0 60 120 180 240 300 time / s

Volume of H2 gas / cm3

4036

30

2018

10

SULIT 4541/1

38 The following equation shows the formation of water

H2(g) + ½ O2(g) → H2O(l) , ∆H = ─ 287 kJmolˉ¹

Which of the following is true regarding the above equation?

ABCD

Activation energy for the reaction is highIf 1 mole of oxygen reacts 574 kJ of heat energy is absorbedCombustion of 1 mole of hydrogen releases 287 kJ of heat energy1 mole of water that is formed in the reaction received 287 kJ heat energy

39

Which of the following medicines is most appropriate in treating the above symptoms or disorders?

ABCD

ChlorpromazineAmphetamineTranquilisersBarbiturates

40 Which of the following isotopes is used to detect leakage in a gas pipe..ABCD

Carbon – 14Cobalt – 60Sodium – 24Iodine - 131

41 34 g of ammonia consists of[Relative molecular mass of ammonia = 17, Avogadro constant = 6.02 x 10 23 mol-1]IIIIIIIV

ABCD

2 mole of nitrogen atoms2 mole of ammonia molecules1.204 X 1024 molecules5 mole of hidrogen atoms

I and II onlyI, II and III onlyII, III and Iv onlyI, II, III and IV only


15

A patient claims he always heard someone says something to him but hedidn’t see anybody around him during the situation.

SULIT 4541/1

42 Profesional cyclists usually fill their bicycle tyres with gas X which makes the bicycle lighter.

Which of the following elements X, Y, W and Z in the Periodic Table is suitable to be used in bicycle tyres?

ABCD

XYWZ

43 The diagram below shows the symbols of atoms D and E

Atom D reacts with atom E to form a compound. Calculate the relative molecular mass for the compound formed.

ABCD

21 43 102113

44 Calculate the volume of sodium hydroxide of concentration 0.5 mol dm-3 needed to neutralize 25.0 cm3 sulphuric acid of concentration 0.20 mol dm-3.

ABCD

10 cm3

20 cm3

25 cm3

50 cm3


16

27

D13

16

E 8

XY W

Z

SULIT 4541/1

45 The table below shows the potential difference of three simple voltaic cells.

Cell Pair of metal Potential difference(V)

Negative terminal

I Mg and Cu 3.0 MgII Mg and Zn 1.5 MgIII Zn and Fe 0.5 Zn

What is the potential difference of a simple voltaic cell for pair of iron and copper ?

ABCD

0.5 V1.0 V1.5 V2.5 V

46 200 cm3 of 0.1 mol dm-3 sodium chloride solution reacts completely with excess silver nitrate. Calculate the mass of precipitate produced.[Relative atomic mass of: Ag, 108; Cl, 35.5]

ABCD

2.78 g2.87 g3.78 g3.87 g

47 The uses of substance X;

What is substances X?

ABCD

Nitric acidSulphuric acidAmmoniaAmmonium sulphate


17

To clean metals. To produce detergents. To make paints.

SULIT 4541/1

48 Graph represents the decomposition of 25 cm3 hydrogen peroxide of 0.5 mol dm-3 with manganese(IV) oxide as a catalyst at a temperature of 30oC.

Which of the following experiments will produce graph II ?

Volume ofhydrogen peroxide / cm3

Concentration ofhydrogen peroxide/

mol dm-3

Temperature ofhydrogen peroxide / oC

A 15 0.7 30B 15 0.5 30C 40 0.7 30D 40 0.5 20

49 Which of the following equations represents a redox reaction?

ABCD

Pb(NO3)2(aq) + CuSO4(aq) PbSO4(s) + Cu(NO3)2(aq)

CH3COOH(aq) + NaOH(aq) CH3COOH(aq) + H2O(l)

Mg(s) + CuSO4(aq) MgSO4(aq) + Cu(s)

C2H4(g) + 3O2(g) 2CO2(g) + 2H2O(l)


18

SULIT 4541/1

50 The diagram below shows the molecular formulae of two compounds A and B. Substance X is formed when both compounds react with each other.

Which of the following set represents substance X?

Structural formula NameA

Ethyl propanoate

B

Ethyl propanoate

C

Propyl propanoate

D

Propyl propanoate

END OF QUESTION PAPER


19

Compound A,C2H5OH

Compound B,C2H5COOH

Substance X

H H

H

H

CC C C

HH

H H H

H

O

O

C

H H

H

H

CC C C

HH

H H H

H

O

O

C

C

O

C

H

H

H

H

O

H H

H

C CH

H

H

C

C

O

C

H

H

H

H

O

H H

H

C CH

H

H

C

Paper 1 chemistry spm sbp

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