Sbp Mid Year 08
Transcript of Sbp Mid Year 08
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SULIT
SULIT 4541/1
4541/1
Kimia
Kertas 1
Mei
20081 jam
BAHAGIAN SEKOLAH
KEMENTERIAN PELAARAN MALA!SIA
______________________________________________
PEPERIKSAAN PERTENGAHAN TAHUN 2008
TINGKATAN 5
KIMIA
Kertas 1
Satu jam lima belas minit
ANGAN BUKA KERTAS SOALAN INI HINGGA "IBERITAHU
1. Kertas soalan ini mengandungi 50 soalan.
2. Jawab semua soalan
3. Jawab dengan menghitamkan ruangan yang betul pada kertas jawapan4. Bagi setiap soalan hitamkan satu ruangan sahaja
5. ekiranya anda hendak menukar jawapan! padamkan tanda yang telah
dibuat. Kemudian hitamkan jawapan yang baru.
". #ajah yang mengiringi soalan tidak dilukiskan mengikut skala.
$. %nda dibenarkan menggunakan kalkulator sainti&ik yang tidak boleh
diprogramkan.
Kertas soalan ini mengandungi 23 halaman bercetak
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IN#ORMATION #OR $AN"I"ATES
1 'his (uestion paper )onsists o& 50 (uestions.
2 %nswer a%%(uestions.
& %nswer ea)h (uestion by bla)kening the )orre)t spa)e on the answer sheet.
4 Bla)ken only '(espa)e &or ea)h (uestion.
5 *& you wish to )hange your answer! erase the bla)kened mark that you ha+e made. 'hen
bla)ken the spa)e &or the new answer.
) 'he diagrams in the (uestions pro+ided are not drawn to s)ale unless stated.
* ,ou may use a non-programmable s)ienti&i) )al)ulator.
SULIT 4541/12
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1 After making observations, a chemist should tr to
A collect data
B make inference
$ make h!othesis
" identif !roblems
2 "he diagram sho#s a model of an atom.
$ho introduced this model%
A &eils 'ohr
B (.( "homson
$ (ames )had#ick
" *rnest +utherford
& $hat is the relative molecular mass of hdrated magnesium sul!hate, gS- ./02-%
+elative atomic mass g, 2 S,32 -,14 0,15
A 16
B 24
$ 376
" 364
4 "he table sho#s the !ro!erties of element 8.
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*lectron
&ucleus that contains
!roton and neutrons
Shell
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$hich of the follo#ing elements is 8%
A Sodium
B 0elium
$ Argon
" Silver
5 "he table sho#s the electron arrangement for elements , &, 9 and 8.
*lement *lectron arrangement
2.
& 2.:.2
9 2.4
8 2.:./
$hich of the follo#ing elements react to form an ionic com!ound%
A and 9
B 9 and 8
$ and 8
" 9 and &
) "he diagram sho#s the electrolsis of molten lead;li@uid chromatogra!h
illed in electric light bulbs
heat
)arbon
Bead;
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A('+e $at,'+e
A 'romine Bead
B -Cgen 0drogen
$ 'romine 0drogen
" -Cgen Bead
* $hich of the follo#ing is a #eak alkali%
A Bithium hdroCide
B A@ueous ammonia
$ )oo!er;
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$ "he amount of kinetic energ of molecules during a collision
" "he minimum amount of energ that !articles must have in order to
react
11 $hich of the follo#ing structural formulae sho#s an unsaturated hdrocarbon%
SULIT 4541/1
A
B
$
"
4
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12 "he diagram sho#s the atomic smbol of element E.
$hich of the follo#ing is true about the sub>atomic !articles of element E%
9roton &umber &umber of neutron &umber of electron
A / / 17
B / / /
$ 3 3
" 3 2
1& $hat is the number of oCgen atom in 7.1 mole of #ater%
Avogadro constant 4.72 C 1723mol>15
A 4.72 C 1722
B 4.72 C 1723
$ 47.2 C 1723
" 3.71 C 1723
14 E is an element that has the follo#ing !ro!erties
o&t solid
#ea)ts with )old water to &orm alkaline solution
tore in para&&in oil
Among elements A, ', ) and H in the 9eriodic "able of elements, #hich elementre!resent E%
SULIT 4541/1/
/
3
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15 "he diagram sho#s the electron arrangement of a com!ound formed bet#een
atoms 9 and 8.
$hich of the follo#ing statements is true about the com!ound%
A "here is strong intermolecular force bet#een !articles 9 and 8
B "he com!ound is formed b sharing the electrons
$ "he com!ound conduct electricit in molten state
"
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B Ireenish ello# gas evolved
$ 'ro#n solution !roduced
" 'ro#n solid de!osited
1* $hich of the follo#ing e@uations sho#s the neutraliJation !rocess%
I )u- 02S- )uS- 02-
II Gn 20)l Gn)l2 02III &03 0&-3 &0&-3I )a)-3 02S- )aS- 02- )-2
A < onl
B
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A )o!!er;
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I 0eat energ is released b !articles
II "he kinetic energ of the !articles increase
III "he !article are closer to one another
I "he movement of the !articles becomes slo#er
A < and
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25 "he electron arrangement of atom ( is 2.4 and atom I has valence electrons.
$hat t!e of bond and the chemical formula of the com!ound formed bet#een
atoms ( and I%
"!e of bond )hemical formula
A u! of a!!aratus for the electrolsis of silver nitrate
solution.
$hat is formed at the cathode%
A Silver atomsB -Cgen gas
$ 0drogen gas
" Silver ions
2* "he distilled #ater is added to 27 cm3of 1.7 mol dm>3sodium hdroCide solution
to !roduce 267 cm3of sodium hdroCide solution.
$hat is the concentration of the sodium hdroCide solution !roduced%
A 7.72 mol dm>3
B 7.7 mol dm>3
$ 7.74 mol dm>3
" 7.7: mol dm>3
28 Ammonium sul!hate is used as a chemical fertiliJer. "his fertiliJer can be
!re!ared in the laborator through the reaction bet#een
A a@ueous of ammonia solution and dilute sul!huric acidB a@ueous of ammonia solution and sul!hur dioCide
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Silver
Silver nitrate solution
Silver
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$ ammonia gas and sul!hur and oCgen
" ammonia gas and sul!hur trioCide
2- "he diagram sho#s the arrangement of atoms in steel.
$hat is E%
A "inB Ginc
$ )arbon
" )o!!er
&0 "he gra!h sho#s the maCimum volume of carbon dioCide gas evolved #hen
calcium carbonate react #ith hdrochloric acid.
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Iron atom
X atom
Dolume of )-2gasM cm3
"imeM s
36
127
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$hat is the rate of reaction at 127 s%
A 7.77 cm3s>1
B 7.16 cm3s>1
$ 7.2L cm3s>1
" 7.36 cm3s>1
&1
$hat could be the organic com!ounds E and F, )atalst and 9rocess A in the
diagram%
Compound X Compound
Y
Catalyst Process A
A *thene *thanol 9hos!horic acid -Cidation
B *thane *thene &ickel 0drogenation$ *thane *thene &ickel -Cidation
" *thene *thanol 9hos!horic acid 0drogenation
&2 "he table sho#s the melting !oint and boiling !oint for substances 9, 8, +
and S.
Substance elting !ointM o) 'oiling !ointM o)9 /L 17:
8 >1:7 >127
+ >L6 4L
S >147 >L7
$hich of the substances eCists as a li@uid at room tem!erature%
A 8
B +
$ S
" 9
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SteamM)atalst
)om!ound F)om!ound E
9rocess A Acidified !otassium
dichromate ;D
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&& "he e@uation sho#s the reaction of the eCtraction of iron from iron;
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&) "he diagram sho#s the voltaic cell.
$hich of the follo#ing half>e@uations re!resent the reaction at the negative
terminal and !ositive terminal%
&egative "erminal 9ositive terminalA g g2 2e )u2 2e )u
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)o!!er;
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B g2 2e g )u )u2 2e
$ )u2 2e )u g g2 2e
" )u )u2 2e g2 2e g
&* $hich of the follo#ing solutions has the highest concentration of hdrogen ion%
A 67 cm3of 1.7 mol dm>302S-solution
B 67 cm3of 2.7 mol dm>302S-solution
$ 177 cm3of 1.7 mol dm>302S-solution
" 167 cm3of 1.7 mol dm>302S-solution
&8 "he reaction bet#een lead;
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40 "he gra!h sho#s the volume of carbon dioCide gas released against time for the
reaction bet#een 26 cm3of hdrochloric acid #ith eCcess marble.
SULIT 4541/11:
)a)-3 20)l )a)l2 )-2 02-
Dolume of )-2M cm3
1:7
$%
$% $%
"imeMs
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$hat is the concentration of acid used%
olar volume 2 dm3mol>1at room tem!erature5
A 7.3 mol dm>3
B 7. mol dm>3$ 7.6 mol dm>3
" 7.4 mol dm>3
41
$hat is the molecular formula of com!ound E%+elative atomic mass ),12 0,15
A )02B )20$ )204" )304
42 agnesium ribbon reacts #ith element 8 from grou! 1/ in 9eriodic "able.
$hich of the follo#ing chemical e@uations is correct%
A g 8 N g8
B g 82 N g82$ 2g 82 N 2g8
" g 28 N g82
4& $hich of the follo#ing !airs sho# the correct uses of the isoto!es%
47 "o destro bacteria in food
II )arbon>1 "o estimate the age of artifacts
III 131 "o detect the location of tumour
I Sodium>2 "o detect leaks in underground !etroleum !i!ing
A < and
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44 Sul!hur dioCide gas, S-2causes environmental !ollution.
$hich of the follo#ing environmental !ollutions is affected b sul!hur dioCide,
S-2%
I !0 of the soil increases
II Bakes and rivers become acidic
III Salts are leached out of the to! soil
I 'uildings and metal structures #ill corrode
A < and
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$
"
4) $hat is the volume of 7.2 mol dm>3sul!huric acid solution re@uired to com!letel
neutraliJe 67 cm3of 7.2 mol dm>3!otassium hdroCide solution%
A 26 cm3
B 37 cm3
$ 6 cm3
" 67 cm3
4* "he diagram sho#s the structural formula of com!ound E.
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Silver nitrate
Silver stri!
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$hich of the follo#ing is an isomer of E%
48 $hich !air of the organic com!ounds belo# can be distinguished b using acidified
!otassium manganate;D
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4- $hich of the follo#ing reactions re!resent the !reci!itation reactions%
I 9b;&-3=2 &a2S- N 9bS- 2&a&-3
II 'a;&-3=2 2K)l N 'a)l2 2K&-3
III 9b;&-3=2 2K)l N 9b)l2 2K&-3I )a;&-3=2 &a2S- N )aS- 2&a&-3
A < and
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$hich of the follo#ing solutions #ill !roduce curve 3hdrogen !eroCide solution
$ 37 cm37.2 mol dm>3hdrogen !eroCide solution
" 7 cm37. mol dm>3hdrogen !eroCide solution
EN" O# UESTION PAPER