peperiksaan percubaan bersama sijil pelajaran … · jisim satu atom x empat kali lebih berat ......

4541tSULIT4541t1CHEMISTRYPaper 1

20121Yo Jam

PEPERIKSAAN PERCUBAAN BERSAMASIJIL PELAJARAN fuIAL.AYSIA 2A12

ANJURANMAJLIS PENGETUA SEKOLAH MALAYSIA (MPSM)

CAWANGAN PERL|S

CHEMISTRY

KERTAS 1

Satu jam dan lima belas minit

1.

2.

J.

JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU

Kertas soalan ini adalah dalam dwibahasa.

Soalan dalam Bahasa lnggeris mendahului soalan yang sepadan dalam BahasaMelayu.

Calon dikehendaki membaca maklumat cJi halaman belakang kertas soalan ini.

wvvw. myschoolch ildren. com

Kertas soalan ini mengandungi 26 halaman bercetak

www.myschoolchildren.comMuat turun (percuma) kertas soalan lain di :

1. The information of an element X is as follows:Maklumat berikut adalah berkaitan dengan unsur X.'

Able to form complex ionBoleh membentuk ion komPleks

Can'be used as catalYstBoleh dlg unakan sebagal mangkin

Has a various oxidation numberMempunyal pibag al nombor Snngoksldaan

Which of the following is element X?Antara berikui yang rnanakah X?

A ArgonAryon

B NickelNlkel

C ChlorineKlortn

D PotassiumKallum

2. The mass of one atom X is four times heavier than one iron atom.\A/hat is the relative atomic mass of X?[helative atomic mass: Fe = 56J

Jisim satu atom X empat kali lebih berat daripada satu atom besi.Berapkah islm atom relatif X?I Jlsim atom relatif : Fe = 56]

A8814c28D 224

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4.

The following information is about the contribution of ascientist in the development ofidea about atomic strucfure.Maklumat berikut adalah mengenai sumhngan seorang ahll sarns &lam perkemMngan ideatentang stul<tur atom.

Who was the scientist?Slapakah ahll salns itu?

A Neils BohrB John DaltonC J.J. ThompsonD Ernest Rutherford

What are the major components used in the making of lead crystal glass?Apakah kompnen utama untuk pmdtatan kaca Mstal plumbum?

A Copper(l17 oxide and lead(ll) oxideK u pru m( I l) oksi da dan plu mbu m( I I ) ol<sida

B Aluminium silicate and silicon dioxideAluminium silikat dan silicon diol<sida

C Silicon dioxide and lead(ll) oxideS llikon diol<slda dan pl umburn(l 0 d<sida

D lron(lll) oxide and boron oxideFerum(lll)okslda dan turon oksida

Which process has the lowest rate of reaction?Prases manakah yang memg)nyai kadar tlndak ba/as yang paling ren&h?

A CombustionPembakaran

FermentationPenapaian

NeutralisationPeneutralan

PhotosynthesisFofasintess

5.

C

Discovered the electronsMenemulelektronThe atorn v/as a sphere of positive chargeembedded with electronsAtom adaleh s{era bercas pos,lti{ yang Mrtaburandengan elektron.


6. Food flavouring substance contains ester.Which of the following is a propedy of an estet?Bahan perisa makanan mengandungi ester.Antara beikut yang manakah sifat ester?

A Dissolves in waterLarut dalam air

B Low boiling pointTakat dldlh Yang rendah

C More dense than waterLeblh tumPt dadPa& alr

D Can coneiuct electricitYBoleh mengkoMukslkan aras eleffiriR

7. Which of the following pH values is for strong acid solution?Antara beri/rrlrt yang manakah nllal fi bagllarutan asid kuat?

A pH14B pH 11

C pHsD pH1

B. Which of the following is insoluble salt?Antara berikut yang manakah garam terlaru(?

A Zinc chlorideZink klorida

d Silver nitrateArgentum nitrat

C Barium sulphateBarium sulfat

D Potassium carbonateKalium karbonat

9. Which equaticn represents a redox reaction?Persamaan manaKah rnewakili tindak Dalas redol<s?

A 2Cu' + 02 ) 2CuOB2H*+2erHzC Zn + Zn2* + 2eD NaOH + HCI , NaOH + HzO

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10. Diagram 1 shows an elecirochemical cell.Rajah 1 menunjukkan satu sel etektokjmia.

What is the energy conversion in'rolved?Apakah perubahan tenaga yang terlibat?

Zinc platePlat Znk

Eliagram 1

Ratahl

A. Chemical energyTenaga kimia --)

B. Chemical energyTenaga kimia

C Electrical energyTenaga elehrik

D. Electrical energyTenaga elehrik

-, Heat energyTenaga haba.-' Electrical energy--- Tenaga elehrik-+ Heat energy---+ Tenaga haba

Chemical energy--' Tenaga kimia

11 Table 1 shows the electron anangements of four elements, p, e, R and sJadual 1 menunjukkan susunan elxtron bagiempt unsur p, e, R, dan S.

ElementUnsur

Electron arrangementSusunan elektron

P 2.3o 2.4R 2.6S 2.8.1

Table 1

Jadual 1

Which pair of elements will react to form a covalent cornpound?Pasangan unsur manakah akan menghasllkan sebatlan kovalen?

A RandSRdanS

B PandRP danR

C PandQPdanQ

D RandQRdanQ


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12. Which substance is used as flavourings?Bahan manakah yang digunakan sebagai peisa?

Sodium nitriteNatlum nitritAzo compoundsSebatlan azoAscorblc asidAs/daskorblkMonoscdiurn glutamateMcnonatdum glutamate

The followlng chemical equation represents a reaction between magnesium oxide andsulphuric acid.Percamaan klmla brlkut mqtakllltldak balas antara rnagnesium a?,sida &n asid sulfurlk.

MgO + HzSOr'+ MgSOr + HzO

What is the mass of magnesium sulphate formed when 4.0 g of magnesium oxide is reactedwith excess sulphuric acid? S/

:/Apakah ltstm magneslum sulfat yang terbentuk apabtta 4.0 g magneslum oksida

=E/beftidak balas dengan asld sulfurik Mdebthan? *.E/8/

(Relative atomic mass: Mg,24i O, 16; H,1: S, 32) F/(Jlsim atom rctaflf: Mg,24i O, 16: H,1; S, 32) 5riA T.zs S/B 12.O gc 1e.2 s 87D 2a.a e S/

=$ls1The boiling point of substance X is 78oC and its melting point is -50C. What is the F/physical state of substance X at -8oC and SO.C? 8l

E/Takat dtdh bahan X talah 780C dan takat lebumya ialah -fC. Apkah kqdaan fizikat bahan X S/pada suhu -dc aan adcz S/

C

E/o/:i\I$lt/'-,-ci(J/

o/o/-c/o/_qy

E/:7.}/i/

(B(B

q)-^ku)q)cl)t

PI(Ba_

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A

B

C

13

14

D

At -8'C At 800c

SolidPepejal

GasGas

SolidPepeial

LiquidCecair

LiquidCecair

GasGas

LiquidCecair

LiquidCecair

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15 Table 2 shows elements M, Q and R placed in Period 3 of the Periodic Table.Jadual 2 menunJul<kan unsur P,Q &n R yang berada dalam kala 3 Jadual berkata.

ElementsUnsur

Properties of oxideSlfat okslda

M AmphotericAmfoterik

o Base8es

R AcidicAsid

Table 2Jadual 2

Choose the correct sequence based on the increase in the atomic s'lze.Pilih susunan yang betul berdasarkan pftambahan salz atom-

A R,M,QB M,Q,RC Q,M,RD R,Q,M

16. Which of the foilowing statements is true about weak acid?Antara pemyaataan berikut, yang nanakah bonar tantang asid lemah?

I Has a lovrer pH valueMempunyai nilai pll yang rendah

ll Exist as molecules in waterWulud sebagal mdd<ul dalam air

lll lonizes partialy in waterMengion separa lengkap dalam air

lV Has a low concentration of hydrogen ionsMempunyaikepekatan ion hydrogen yang tinggi

A I and ll onlyI dan ll sahaja

B ll and lll ontyI dan lll sahaja

C landlVI dan lV sahaja

D lll and lV onlylll dan tV sahaja

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s1'o/9/c/al

L.'

.s/€,o,

Fl 1eo/u)l

E/s/i/i/

E/o/olc,E/b,

-ci(),o/o/

-c/o/u)l

e/i/i/s/

17 . Diagram 2 shows three types of substancesRajah 2 menunlukkan tiga Jenis bahan.

mole of copper(ll) carbonate1 mol kuprum(ll) karbonat

Diagram 2RaJah 2

Which of the following is true about the substances in Diagram 2?Antara'bedkut, yang manakah benar tentang bahan-bahan paoe. Ralah 2 ?

A. The number of atoms in hydrogen gas is 3 x 6.@ x 1O 23

Bttangan atom dalam gas nidqen adatah sehnyak 3 x 6.02 x 1023

B. All the substances have only 6.@ x 10 23 particles.Semua bahan ltu hanya menpunyal sebnyak 6.42 x fi 23 zarah-

C. The number of molecules in water is more than in hydrogen gas molecules.Blllangan molekul dalam alr adalah leblh dadpda bllangan molel<ul dalam gas hl@en.

D. The number of atoms in water is the same as in the hydrogen gas.Bilangan atom &lam air acialah sama seperf dalam gas hydrogen

Whlch property is true about covalent compound?Si{at manakah yang benar tentang sebatian lon?

A Can conduct electricityEoleh mengkodulal eleKtk

B Soluble in organic solventLarut dalam pelarut oryanik

C Exists as solid at room temperatureWuJud sebagai pepjal pada suhu bilik

D Particles held together by strong electrostatic forcesZarah-zarch dltadk bersama oleh daya tarlkan elektrcsbtlk

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CD

c)-r<U)()(I)

.<L

e?c)()-

(Ua-JD)

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19 Diagram 3 shows a helmet that is made of substance X.Ratah 3 menunJuKkan toplReledar yang dlperhtat &dpda bahan X

Diagram 3Ratah 3

Which of the following is subsiance X?Antara barlkut yang manakah bahan X?

Fibre glassGentian kacaFibre opticGentlan optlkSuperconductorSupe*onduKqPhotochromic glassKaca fdol<rcmik

Which of the following is the composition of bronze?Antara befikut manakah kompossi baglgangsa ?

A. Copper and tinKuprum dan timah

B Copper and zincKuprum dan zink

C lron and carbonFqum &n karfun

D Aluminium and magnesiumAluminium dan magneslunt

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Substance XEahan X

A

B

c

D

20.

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21. Which halogens exist as gas at room temperature and pressure?Hatogen manakah yang wujud sebagaigas pa& suhu dan tekanan tilik?

Chlorine'and bromineKlctrin dan brorrinChlorine and iodineKloin dan lodlnFluorine and chlorineFlorln dan KloinBromine anel iodineBronln dan ldin

22. Which cation is present in molten lead(ll) iodide?Katlon manakah yang terda@t dalam leburan plumbum(ll) lodtda?

AH*B l'C Pb2*D OH.

Diagram 4 shows the apparatus set-up of electrolysis.Dlagram 4 netrurtltikkan susunan radas bagi elektolisis.

A

B

(/

D

Substance XBahan X

Bulb light upMqtd menyala

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23.

Diagram 4Rajah 4

Which of the following is substance X?Manakah berikut merupakan bahan X?

A Ethene, CzHoEtena, CzH<

B Chloromethane, CHrCIKlorometana, C.HgCl

C Sodium chloride solution, NaClNatrium klorida, NaCl

D Ethyl ethanoate, CHTCOOCzHsEtil etanoaf, CH3CO@2H5

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24 Which of the following food additives is an antioxidant?Antara Mhan tambah makanan beilkut yang manakah adalah pengantioksl&?

Benzoic acidAsid benzoikAscorbic acidAsid askorbikSodium nitrateNatium nitratEthyl ethanoateEtil eianoat

25 Phosphorus is placed in Group 15 in the periodic table of elements.VMhich of {no following element has the samo chemical properties as phosohorus?

Fos/orus berada didalam Kumpulan 15 jadual brkala.lnsur.Antara unsur brikut yang manakah fipmrynyal si{at kimia fxforus?

A Sulphur \ /hich has electron arrangement of 2.8.6Sulfur yang mempunyal susunan elelctron 2.8.6

B Nitrogen which has the proton number of 7Nitrogen yang mempunyai nombor proton 7

C Boron which has the electron arrangement of 2.3.Boron yang mempunyaisusunan elektron 2.3

D Fluorine which has proton number of 9.Flourin yang mempunyal nombr proton 9

25 The following equation represents neutralisation reaction.Acid + Base ----' Salt + Water

P ersa maan berikut mewakili ti ndak bal as pene utralan.Asid + 8es -----' Garam + Air

Which pairs of reactants produce neutralization reaction?Antara pasangan bahan tidak balas bdhut, yang manakah merupakan.tlndak balaspeneutrahn?

A Sulphuric acid and calcium nitrateAcid sulfurik &n Ralslum nltrat

B Sulphuric acid and calcium oxideAsid sulfurik &n kalsium ol<sida

c Hydrochloric acid and sodium chlorideAsid hidroklorik dar natium klorida

Hydrochloric acid and sodium sulphateAsid hidroklorik dan natrium sulfat

A

B

C

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27. Diagram 5 shows the energy level diagram.Rajah 5 menunjukkan gambar raiah aras tenaga.

EnergyTenaga

Dagram 5RaJah 5

Which of the follorving is true?Antara berlknt yang manakah benar?

A The reaction is exothermic.Tindak balas adalah eksotermik.

B The reaction is endothermic.Tlnda? Oalas adalah endotermik.

C

The symbol of boron atom can be vwitten as

The nucleus of this boron atom contains

Simbol bagl atom borcn bre,F'h ditulis sebagaiNukleus Mglatom Dorqt mengandungi

A 5 protons and 6 neuhons5 proton &n 6 neuton

B 5 neutrons and 6 protons5 neutron dan 6 proton

C 5 protons and 6 electrons5 proton dan 6 eleldron

D 6 neutrons and 5 electrons6 neutron dan 5 elel<tron

D

The temperature of the mixture decreases.Suhu campurirn menurun.

The heat energy is absorbed from surrounding.Tenaga haba diserap dad prsekitaran.

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ReactantsEahan tlndak balas

AH= -xkimol-1

ProductsHasll tln&k ba/as

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29. The following chemical equation represents a redox reaction.Pqsamaan klmla brikut meraaklllsatu ilNak balas rdoks.

4Na + -|

Oz 2NazO

Which statements is true?Pernyataan manakah yang funar?

A Orygen is oxidizedOksEen tqol<slda

B Oxygen loses electronOksl ge n ke h il ang a n e lek'tron

C Sodium is an oxdising agentNatrium menJadl agen pengoksidaan

D The oxidation number of sodium increasesNomfur pngol<sldaan nafium beftambah

30. The formula for a carbonate ion is cor2- and for a chloride ion is cl-!f the formula of tlre carbonate salt of X is XCO3.What is the formula of the chloride salt of X ?

Formuta fugi ion karbonat iatah COt2' dan ion kbrida a&lah Cf .

Jika fotmula garam karfunat bagi X ialah XCq.apakah {ormula garam ktoida bagl X ?

A XCI

B XzCt

c xct2

D X(Ct2)3

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31. Diagram 6 shows the electron arrangement of two atoms X and Z respectively.

najZn 6 menunjukkan susunan electon bagi dua atom X dan Z masing:masing.

Which of the following diagrams,show the electron arrangement of the compourrd

formed when atom X reacts with atom Z?Antara rajah berikut , yang manakah menuniukkan susunan elektron bagi sebatian yang

terhasit ipabita atom X bertindak balas dengan atom Z?

-4t-.,frzF.\({(. )})v/

Atom X Atom Z

Diagram 6Rajah 6

D

c

A[@] Lol L@l

(u0B

()-r<U)

EL\

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32. Diagram 7 shours the apparatus set-up involves in the preparation of a soluble salt.Raiah 7 menuniukkan sasunan radas dalam penyedian suafu garam larut.

----ra>

3O crn'of 2.o moldm'rrcidJO crn' g,id2-D rnol drn''

-Thc sokrrion is ollowod to coolltyatut dibluloasej*

Diagram 7Rajah 7

Which of the following could be X ?Antara berikut yang manakah mungkin X ?

A Sodium carbonateNatrium karbonat

Excess XX furleblhan

Salt eolutionLaruton garuftl

Selt rctutionLstmt gcr@fl

Pano,lact

Potassium carbonateKallum karbonat

Magnesium carbonateMagnesium karbnat

Ammonium carbonateAmmonlum karbonat

33. Which of the following is an endothermic reaction?Antara brikut yang manakah merupakan satu tindak balas en&termik?

A Reaction between sodium hydrogen carbonate and dilute acid.Tlndak Dalas antara natrlum hydrogen karbnat dengan asid calr

B Reaction between reactive metal with dilute acid.Tinda? balas antara logam reaktif dengan asld cair.

C Reaction betwee: Group 1 element with water.Tlndak balas antara ahliKumpulan 1 dengan alr.

D Reaction between acid and alkali.Tindak balas antara asid dan alkali.

c

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34 Diagram B shows the set-up of apparatus of a redox reaction.Rajin 8 menunjukkan susunan ra66s bagi tindakbalas redoks.

Carbcn electrode FElektrod karbn P

Potassium iodide solutionLaruian Kallum lodlda

Carbon electrode QEt*ttdkafton Q

iron(lll) nitrate solutionl-arutan Ferum (lll) nltate

Dilute sulphuric acidAsid sutfuric cair

Diagram 8Rajah 8

The coiour of iron(lll) nitrate solution changes from brown to green.Warna larutan ferum(ltt) nttat dldapatiberubah daripada Wrang ke hliau.

Which of the following is true about the reaction?Antara tuikut manakah benar tentang lindak balas itu?

A lodide ions act as a reducing agentlon ldida menidl agen Wnurunan

B lron(lll) nitrate solution donate electronsLarutan ferum(ll\ nitrat men&rma elqtron

C Electrons flow from electrode Q to PElektron turgerak dari elel<trod Q ke P

D Sulphuric acid enables the flowing of electronsAsid sulfurik membenarkan pergerakan elaeton

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35. The following information shovle the properties of organic compound X.Maklumat borikut menunjukkan sifat-sifat bahan organik X.

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. Release a gas which turns lime water chaltry when it is added with calcium carbonate.Membbaskan gas yang mengeruhkan alr kapur apbtla dhampurkan &ngan katslumkarbonat.

. Produces a subsianc,e which has sweet smelt when it is reacted with an alcohol.Menghasllkan bahan yang berbau wanglapablla dldndahbalaskan dengan suafu alkohal.

Which substance is X?Bahan yang manakah adatah X?

A EtheneEtena

B EthanolEtanol

C Ethanoic acidAsid etanoik

D Ethyl ethanoateEtiletanut

The lnformation shovle the properties of organic compound R.Maklumat furikut menunjul*an sifat-si{at bahan organik R.

Decolourised reddish brown bromineMenyahwarnakan warna Wrang eir bromin

3 mole of carbon dioxide is produced when 1 mole ofR is completely burnt in excess oxygenPembakaran 1 rnol sebatian R &lam gas oksr'genbeleblhan menghasilkan 3 mol gas Rarbn diol<sida

Which of the following is the formula of R?Antara berlkut, yang manakah formula motekul bagi R?

A CzHrB CzHeC CrHoD CrHe

E/o,qIcla)lLTIf'

-clo,o,o,. -8,(),

u)t>lE/

=,}I=,E/olC),E./q),L'EI

clI?Io,o,-E,oltDl

EI}.l=l=l*'(u

(U

E(I).<(r)

o(I).tf2q)a_(ga-gq)(l)

.L

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37. Diagram 9 shows a factory which produces sulphuric acid. Gas X released from factorycauses air pollution.Rajah 9 menunjukkan sebuah kilang yang menghasilkan asid sulfurik. Gas X yang terbebasdaipda kilang ini menyebabkan pencemaran udara.

Which of the following gases is the waste product from the production of sulphuric acid?Antara gas berlkut yang namakah bahan buangan dari pembuatan asid sulfuik.

Gas X

Oiagram 9Rajah 9

\A/trich of the following is X?Antara gas berikut yang manakah X?

A Sulphur dioxideSulfur diol<sida

B Carbon monoxideKarfun monokslda

C Nitrogen dioxideNitqen diokskla

D Chloroflourocarbonklqoflorckarbon

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38. 25 crn3 of 1.0 moldm'3 potassium hydroxide solution is reacted with 25 cm3 of 1.0moldnl-3 hydrochloric acid solution.25 cm' larutan katium htdrokstda, 1.0 mol*nr dttindakbataskan &ngan 25 cnf larutan asldhidroktorik, 1 .0 moldma.

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Highest temperature reaciingSuhu teftinggl campuran

30.0 oc

3o.aac

36.5 0C

36.50C

What is the heat of neutralization?Eerapkah haba pneutralan yang terhastt?

[specific heat capacity of solution 71.? J g-t og-t, density of sotutiop = 1 9 cm-3]{Muatan haba tentu larutan = 4.2 J g'' oc'', ReTumptan larutin = 1 g cm'31

ABcD

- 27 .3 kJ mol-l+27.3 kJ moll- 54.6 kJ mol-1+54.6 kJ rt'roFl

\Mtich medicine is used to relief toothaCre?Antara ubat Mrikut yang manakah dapt rtengurangkan sakit gigi?

A ParacetamolParasetamol

B StreptomycinSteptomisin

C BarbiturateBarbiturat

D QuinineKulnin

39.

Arrerage initial temperature readingPurata suhu awal

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40. Table 3 shows the total volume of carbon dioxide gas collected from the reaction

between hydrochloric acid and excess marble chips.Jaduat 3 menunjukkan Jumtah islpadu gas karbn d'aksida yang terkumpul dalam tindak lralas

antara asld hidroklorlk dengan ketulan marmar berlebihan-

Table 3Jadual 3

What is the average rate of reaction in the second minute?Berapkah kadartlndak balas purata dalam rflnlt kedua?

A O.17 cm3 s-lB O.22 cm3 s'lC 0.34 cm3 s-lD O.45 cm3 sl

41. The chemicalformula of potassium hexacyanofenate (lll) is t(:Fe(CN)o.What is the percentage of carbon atom in the molecule?

F qm u I a moteRu t Ral t u m freksasr'a n oferrate( I I I ) I a I a h KtF e(C N ) e.

Berapkah Watus karbon di dalam molekulnya?

[Relative atomic mass : C;12,N,1 4,K;39,Fe;56]l,ltstm atom retatif : C;12,N;14,K:39,Fe;fiJ

A. 5.47o,6

B. 1O.94o,5

C. 16.410/0

D. 21.880h

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Time(s)Masa(s)

o 30 60 90 120 150 180 210

Volume of carbondioxide gas(cmr)lslpadu gas larbondloksldabmr)

0.00 15.00 27.* 35.00 40.50 44.OO 44.O0 44.00

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42. The chemical equation shorlttrs the decomposition of a copper(ll) nitrate salt.Percamaan Rlmla brlkut menunJukkan ptguralan garam kuprum(ll) nltrat.

2Cu(NOr)z 2CuO + 4NO, + Oz

What is the volume of nitrogen dioxide, NO2 Sas at room condition tf O.2 mol ofCu(NQ)2 salt is heated.

[Molar volume = 24 dm3mofl at room conditions]

Hltung lstpdu gas nltrqen dlo1r..side,, NOzpada keadaan blllkJika 0.2 mol garan Cu{NAi2dtpanaskan?ftslpadu molar = 24 drrf mott rxda suhu bitik!

1.2 drn32.4 dm34.8 dm39.6 dm3

Diagram 10Rajah 10

Which of the following reactions produces curve Y?

Time (s)Masa(s)

ABCD

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43. Diagram 1O shows curue X which cbtained when 4 g of gi'anulated zinc (in excess) isreacted with 5O cm3 of 1.0 mol dm-3 hydrochloric acid.

Rajah 10 menunjukkan lengkupg Xyang dperolehi apbila lg ketulan zink (berlebihan)bertln&k balas dengan 50 cnf asld hidroldorik 1.A mol dm{.

Volume of hydrogen gag (cm3)lsipadu gas hidrqen (cm")

Antara iindak balas brikut yang manakah menghasllkan lengkung Y?

A 4 g zinc powder + 5O qm3 of 2 mol dm-3 hydrochloric acidn j senix zink + 50 cri ot 2 npl dm'3 hidroi<torik asid

B 4 g zinc powder + 5O qm3 of 1 mol.dm-3 of hydrochloric acida j senix zink + 50 crf ol 1 mot dmr htdroklorik asld

C A g granulated zinc + 1OO cm3 of 1 r.nol dm'3 of hydrochloric acida j ietulan zink + 1OO cnf of 1 moldm'3 hidroxtorik aiid

D 4 g granulated zinc + 5p cm3 of 2 4ol dm-3 of hydrochloric acida j ietulan zink + 50 cmi of 2 mat dm3 hidrokan* aiio

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454111

44. Diagram 11 shows the structural formulae which represent organic compounds P and Q.Rajah 11 menunlukkan formula stuktur yang mewakili seMtian organik P dan Q.

HH

HO-

P Diagram 11 aRajah 11

What is the name of the compound formed when P reacts wlth Q using concentratedsulphuric acid as a catalyst?Apakah nama sebatlan yang terhasll apblla P bertindak 0alas &ngan Q dengan menggunaKanacld sulfurlk sebagal mangkln ?

A Buthyl ethanoateButll etanoat

B Ethyl butanoateEtll butanqt

C Propyl ethanoateProplletanoat

D Ethyl propanoateEdl propanoat

45. Diagram 12 shows the structure of polymer.RaJah 12 menunJul<kan struktur suafu plimer.

ttC_C_C_HltrioiiH

HHlt

H_C _ C_ OHlrHH

cH: cHr cHr 9H.l-'i'ltilllHHHH

Diagram 12Ralah 12

Which of the following is the correct monomer?Antara bedkut yang manakah monomer yang betul?

A CH2 = 911,B CH3 = 611.C CH2=96611.D CHsCH=CHCH3

[Lihat halaman sebelahSULIT4X1t1

.ra


46. Which of the following is a redox reaction?Antara tldak balas MriKut yang manakah merupakan tindak balas redoks?

A Displacement reactionTlndak balas Wnyesaran

B Neutralisation reactionTlndak balas pneuiralan

C Precipitation reactionT I nda( balas pemendaka n

D Substitutioni'eactionT I ndak balas pe n ukarg a ntia n

47. Table 4 shows information about three chemical cells.Jadual4 menunjukkan maklumat tentang Aga sel klnila.

Table 4Jadual 4

Based on the information in Table 4,Ber&sad<an maklumat dalam Jadual 4,

What is the potential difference of the pair of metals S and R?Apakah beza upaya antara pasangan lqam S dan R?

A O.74VB 0.8s vc 1.01 vD 0.86 V

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[Lihat halarnan sebelahSULIT

Pair of metalPasangan logam

Potential differenceA/Beza upayalV

Positive terminalTermlnal positlf

R and copperR dan kuprum 0.45 Cu

S and copperS dan kupntm 1.30 Cu

I 'f and copper Ii r dan kuwm :ti 0.56 T

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48. Which solution shows the lowest pH value?Larutan manakah menunjukkan nilai pH terendah?

A 0.5 mol drn3 nitric acid0.5 ntotdms astd nltrtc

ts 0.5 mol dm'3 ethanoic acld .

0.5 mot dm't asld etanaik.

C 0.5 moi dm-3 sulpnuric acic!0.5 molcim'' acid sullIuik

D O,5 mol dm-3 hvdrocloric acid0.5 mol cfnJ asi, hldr,ldqtk

49. \ /hat is the meaning ol'heat of displacement'?Apakah yang dimaksudkan dengan 'haba penyesaran'?

A. Heat change when metal ls displaced from its solntlon by a more electropositivemetal.Perubahan haM apablla lqam dlslngWrkan dari larutannya oleh suatu logam yang leblhelektopositi{.

B. Heat change wtren metal is disptaced from its solution by a less electropositivemetal.Perubahan haM apabila lqam dislngklrkan darl larutannya oleh suatu logam yang kurangelelclropcs;ltif.

C. Heat change when 1 mol of metal is displaced from ils solution by a moreelectropositive metal.Perubahan hab apabila 1 mol logam disingkirkan dai larutannya oieh suatu lqam yangleblh eleffircposltif.

D. Heat change when 1 mol of metal is displaced from its solution by a lesselectropositive metal.Perubahan hab apabilal mol lqam disingklrkan dari larutannya oleh suatu logam yangkurang elektropxitif.

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24


Diagram 13 shows the structural formula for a cleaning agent,RaJah 13 menunlul<Ran formula stuldur bagl seJenls agen perrcucl.

CHr CHr CHr

CH: CH: CH: CHI CH:

Diagram 13Ratah 13

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CHr CHI

V\AEcH: li

0

Which of the following will occur when this cleaning agent reacts with hard water?Antara berikut yang manakah akan berlaku apabila agen pencuci lni bertindak balasdengan air liaf?

A. f he water becomes softAir menjadi lqntut

B. Scum will formKekat tqfuntuk

C. More bubbles will producedLeblh banyak bulh dhasllkan

D. Grease will removed easilyGris mudah ditanggalkan

END OF QUESTION PAPERKERTAS SOALAN TAMAT

www. myschoolchildren .ggm

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No

soa la n

Jawapan

1 B

2 D

3 C

4 LtrJ D

6 B

7 D

8 B

I A

10 B

11 D

1Z D

13 B

t4 C

15 D

16 D

77 D

18 B

19 A2A A27 C

22 C

23 C

24 B

25 B

SUBJECT: CHEMISTRY TRIAL PERLTS ZOLI

Nosoalan

Jawapan

26 B

27 A

28 A29 D

30 L31 A32 C

33 A

34

354C

36 C

37 A38 C

39 A40 B

41 D

42 D

43 B

44 D

45 D

46 A

47 B

48 C

49 C

50 B

wWw, fnvsch oglch IE ren .


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