soalan gerakgempur kimia kertas 1

8/10/2019 Soalan Gerakgempur Kimia Kertas 1

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Chemistry

Paper 1

1

hour

:

GERAK GEMPUR KIMIA

2013

CHEMISTRY

Paper 1

One hour and fifteen minutes

DO NOT OPEN THE QUESTION BOOKLET

UNTIL BEING TOLD TO DO SO.

1.

The question booklet is bilingual.Kertas soalan ini adalah dalam dwibahasa.

2. Candidates are advised to read information on the back page of the question booklet.Calon dikehendaki membaca maklumat di halaman belakang kertas soalan ini.

This question booklet has 30 printed pages


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1 Diagram 1 shows the inter conversion of water, steam and ice.

In which conversion do H2O molecules lose speed?Rajah 1 menunjukkan perubahan keadaan air, ais dan stim.Dalam perubahan manakah molekul H2O hilang kelajuan?

SteamStim

IceWaterAir Ais

Diagram 1Rajah 1

A Ice waterAis air

B Ice steamAis stim

C Water steamAir stim

D Steam iceStim ais

2 Which of the following formula represents a compound containing three atoms?Antara formula berikut, yang manakah mewakili sebatian yang mengandungi tiga atom?

A HNO3

B H2O

C LiF

D ZnSO4

3 A covalent compound does not conduct electricity becauseSebatian kovalen tidak mengalirkan arus elektrik kerana

A it does not dissolve in wateria tidak larut dalam air

B it has strong covalent bondingia mempunyai ikatan kovalen yang kuat

C particles consist of moleculeszarah terdiri daripada molekul

D ions in the covalent compound are not mobileion-ion dalam sebatian kovalen tidak bergerak bebas

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4 Table 1 shows the nucleon numbers and proton numbers of atoms W, X, Y, and Z.Jadual 1 menunjukkan nombor nukleon dan nombor proton bagi atom-atom W, X, Y, dan Z.

W X Y Z

Nucleon number

35 37 40 39Nombor nukl eon

Proton number 17 17 18 19Nombor proton

Table 1Jadual 1

How many atom(s) represent non-metallic elements?Berapa atomkah mewakili unsur bukan logam?

A 1

B

2C 3

D 4

5 Diagram 2 shows a circuit where the bulb lights up.Rajah 2 menunjukkan satu litar dimana mentolnya menyala.

ElectrodesElektrod

Diagram 2Rajah 2

What is substance G?Apakah bahan G?

BulbMentol

Substance GBahan G

A A solution of ethanol in waterLarutan etanol dalam air

B Aqueous sodium chlorideNatrium klorida akues

C Solid sodium chloridePepejal natrium klorida

D Liquid ethanol

Cecair etanol



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6 In which experiment the limewater does not turn cloudy?

Dalam eksperimen manakah air kapur tidak menjadi keruh?

A B

C D

7 Lead(II) iodide is formed when aqueous lead(II) nitrate is added to a solutioncontaining iodide ions.What type of reaction takes place?

Plumbum(II) iodida terbentuk apabila plumbum(II) nitrat akueus dicampur kepada larutan

yang mengandungi ion iodida.Apakah jenis tindak balas yang berlaku?

A NeutralisationPeneutralan

B OxidationPengoksidaan

C ReductionPenurunan

D PrecipitationPemendakan

8 A salt always ..Garam sentiasa

A contains ionsmengandungi ion

B dissolves in waterlarut dalam air

C forms white crystalsmembentuk hablur putih

D conducts electricitymengalirkan arus elektrik



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9 The bodies of an aeroplane, a car and a wheelbarrow are made of alloy.Rangka kapalterbang, kereta dan kereta sorong diperbuat daripada aloi.

Diagram 3Rajah 3

Which alloy is used in making the bodies of aeroplane, car and wheelbarrow?Antara aloi berikut, yang manakah digunakan untuk membuat rangka kapalterbang, kereta dan keretasorong?

Aeroplane Car WheelbarrowKapalterbang Kereta Kereta sorong

AMagnalium Brass Steel

Magnalium Loyang Keluli

BDuralumin Steel Steel

Duralumin Keluli Keluli

CPewter Bronze Brass

Pewter Gangsa Loyang

DSteel Stainless steel Solder

Keluli Keluli nirkarat Pateri

10 Copper wires in an electricity cable are covered in plastic as shown in diagram 4.Plastic is used because it is

Dawai kuprum dalam kabel elektrik disalut dengan plastik seperti Rajah 4.Plastik digunakan sebab ia

Diagram 4Rajah 4

A hard.keras

B a polymer.polimer

C an insulator.penebat

D melts easily.

mudah dilebur



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11 A solution of hydrogen peroxide releases oxygen slowly at room temperature.Larutan hidrogen peroksida membebaskan oksigen pada suhu bilik.

Hydrogenperoxide water + oxygen

Hidrogen peroksida air + oksigen

Diagram 5 shows the effect of adding manganese(IV) oxide to the solution.Rajah 5 menunjukkan kesan penambahan mangan(IV) oksida kepada larutan tersebut.

Diagram 5Rajah 5

What could be the reason for the observed change?Apakah sebab bagi perubahan yang diperhatikan?

A Manganese(IV) oxide acts as a catalystMangan(IV) oksida bertindak sebagai mangkin

B Manganese(IV) oxide reacts with the hydrogen peroxideMangan(IV) oksida bertindak balas dengan hidrogen peroksida

C The hydrogen peroxide is neutralised by manganese(IV) oxideHidrogen peroksida dineutralkan oleh mangan(IV) oksida

D The hydrogen peroxide becomes more concentratedHidrogen peroksida bertambah pekat

12 Which of the following substance is found in crude oil?Antara bahan berikut yang manakah terdapat dalam minyak mentah?

A Ethanoic acidAsid etanoik

B PolythenePolitena

C EthanolEtanol

D Butane

Butana



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13 2 g of marble is added to 10 cm3of hydrochloric acid in four different test

tubes. In which test tube is the reaction fastest?2 g marmar ditambah kepada 10 cm

3asid hidroklorik dalam empat tabung uji berlainan.

Dalam tabung uji manakah menghasilkan tindak balas paling cergas?

A B

C D

14 What are formed when glucose is fermented?Apakah yang terbentuk dalam penapaian glukosa?

A Ethanol and carbon dioxideEtanol dan karbon dioksida

B Ethanol and oxygenEtanol dan oksigen

C Ethene and carbon dioxideEtena dan karbon dioksida

D Ethene and oxygenEtena dan oksigen



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15 Diagram 6 shows the apparatus set up used to study the reaction of metal oxide andcarbon.

Rajah 6 menunjukkan susunan radas yang digunakan untuk mengkaji tindak balas antara logamoksida dengan karbon.

Diagram 6Rajah 6

Which of the following metal oxide will turn the lime water cloudy?

Antara oksida logam berikut yang manakah mengeruhkan air kapur?

A Magnesium oxideMagnesium oksida

B Copper(II) oxideKuprum(II) oksida

C Calcium oxideKalsium oksida

D Aluminium oxideAluminium oksida

16 The reaction between solution P and solution Q is exothermic.

A student confirms this statement by mixing equal volumes of the two solutions andmeasuring the temperature change.Which two pieces of apparatus should the student use?

Tindak balas antara larutan P dan Q adalah eksotermik.Pelajar mengesahkah pernyataan tersebut dengan mencampurkan isipadu yang sama bagi dua larutandan mengukur perubahan suhu.

Apakah dua radas yang perlu digunakan?

A Balance and stop watch

Neraca dan jam randik

B Balance and thermometerNeraca dan termometer

C Pipette and stop watchPipet dan jam randik

D Pipette and thermometerPipet dan termometer



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17 Diagram 7 shows a set up where hydrogen is passed over a heated metal oxide.Rajah 7 menunjukkan susunan radas di mana hidrogen dilalirkan atas logam oksida yang panas.

Diagram 7Rajah 7

What happens to the hydrogen and metal oxide?Apa berlaku kepada hidrogen dan oksida logam?

Hydrogen Metal oxideHidrogen Logam oksida

AOxidised Oxidised

Dioksidakan Dioksidakan

BReduced Oxidised

Diturunkan Dioksidakan

CReduced Reduced

Diturunkan Diturunkan

DOxidised Reduced

Dioksidakan Diturunkan

18 Diagram 8 shows the structure of a palmitate ion.Rajah 8 menunjukkan struktur bagi ion palmitat.

Diagram 8Rajah 8

Which of the following statements is true?Antara pernyataan berikut yang manakah benar?

A Parts R and S are soluble in waterBahagian R dan S larut dalam air

B Parts R and S are soluble in greaseBahagian R dan S larut dalam gris

C Part R is soluble in grease and part S is soluble in waterBahagian R larut dalam gris dan S larut dalam air

D Part R is soluble in water and part S is soluble in greaseBahagian R larut dalam air dan S larut dalam gris



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19 Diagram 9 shows an experiment in which magnesium oxide powder is added to dilutehydrochloric acid.

Rajah 9 menunjukkan eksperimen di mana serbuk magnesium oksida ditambah ke dalam asidhidroklorik cair.

Diagram 9Rajah 9

Which reaction takes place in the experiment?Apakah tindak balas yang terlibat dalam eksperimen tersebut?

Exothermic NeutralisationEksotermik Peneutralan

A

B

C

D

20 What is the function of an analgesic?Apakah fungsi analgesik?

A To relieve pain

Mengurangkan rasa sakitB To treat asthma

Merawat asma

C To destroy bacteriaMenghapuskan bakteria

D To calm down the emotion of the patientMenenangkan emosi pesakit



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21 Table 2 shows the melting point and boiling points of five compounds J, K, L, M andN. Which substance exists as a liquid at room temperature?

Jadual 2 menunjukkan takat lebur dan takat didih bagi lima sebatian J , K , L , M dan N. Antara bahan

berikut yang manakah wujud dalam keadaan cecair pada suhu bilik?

Substance Melting point( C) Boiling point( C)

Bahan Takat lebur ( C) Takat didih( C)

J -160 -142

K -32 55

L -96 64

M 42 172

N 142 292

Table 2Jadual 2

A J onlyJ sahaja

B J and K onlyJ dan K sahaja

C K and L onlyK dan L sahaja

D M and N onlyM dan N sahaja

22 When propane is burned in excess oxygen, carbon dioxide and water are formed andisrepresented by the equation

Apabila propana dibakar dalam oksigen berlebihan, karbon dioksida dan air dihasilkan dan diwakili oleh persamaan berikut

C3H

8+ 5O

2 rCO

2+ sH

2O

What are the values of rand sthat balances the equation?Apakah nilai rdan syang mengimbangkan persamaan tersebut?

r s

A 1 3

B 1 5

C 3 4

D 3 8



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23 Diagram 11 shows part of the Periodic Table of Elements.Rajah 11 menunjukkan sebahagian daripada Jadual Berkala Unsur

Diagram 11Rajah 11

The proton number of X isNumbor proton X adalah

A seven less than that of Zkurang tujuh daripada Z

B three less than that of Zkurang tiga daripada Z

C one less than that of Ykurang satu daripada Y

D sixteen less than that of Ykurang enam belas daripada Y

24 Diagram12 shows a model of a molecule containing carbon, hydrogen and oxygen.

Rajah 12 menunjukkan model bagi satu molekul yang mengandungi karbon, hidrogen dan oksigen.

Diagram 12Rajah 12

How many atoms of each element are in the molecule?Berapakah bilangan atom bagi setiap unsur dalam molekul tersebut?

Carbon Hydrogen OxygenKarbon Hidrogen Oksigen

A 1 6 2

B 2 5 1

C 2 6 1

D 6 2 1



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25 Diagram 13 shows a simple voltaic cell by using different electrode T and N.Rajah 13 menunjukkan sel kimia ringkas menggunakan elektrod berbeza, T dan N.

Electrode T Electrode N

Elektrod T Elektrod N

Copper (II) sulphate solution

Larutan kuprum(II) sulfat

Diagram 13Rajah 13

Metal T acts as the positive terminal and the potential difference is 1.9 V.

Which of the following statements is true?Logam T bertindak sebagai terminal positif dan beza upaya ialah 1.9V .Antara pernyataan berikut yang manakah benar tentang sel kimia itu?

A T is more electropositive than NT lebih elektropositif daripada N

B Brown solid is deposited at N electrodePepejal perang terenap di elektrod N

C Electron flows from T to N through the external circuitElektron mengalir dari T ke N melalui litar luar

D The potential difference will decrease if T is replaced by any other moreelectropositive metal than T

Beza upaya akan berkurang jika T digantikan oleh logam lain yang lebihelektropositif daripada T



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29 Ethanol reacts with ethanoic acid to form ethyl ethanoate.Etanol bertindak balas dengan asid etanoik membentuk etil etanoat.

C2H5OH + CH3COOH CH3COOC2H5+ H2O

What is the formula of the ester formed when methanol reacts with butanoic acid,(C3H7COOH)?

Apakah formula bagi ester yang terbentuk apabila metanol bertindak balas dengan asid butanoik,(C3H7COOH)?

A C2H5COOC2H5

B C3H7COOC2H5

C C3H7COOCH3

D CH3COOC3H7

30 Diagram 17 shows set up of apparatus to study the rate of reaction. Magnesium is

added to excess dilute hydrochloric acid at 25oC

Rajah 17 menunjukkan susunan radas untuk mengkaji kadar tindak balas. Magnesium ditambah

kepada asid hidroklorik berlebihan pada suhu 25oC.

Diagram 17Rajah 17

Which of the following effects on rate and amount of product are correct whenthe concentration of acid and temperature are increased?

Antara kesan ke atas kadar dan kuantiti hasil berikut yang manakah betul apabila kepekatan asid dansuhu ditambah?

Increase concentrationIncrease temperature

Amount of

of acid productPenambahan suhu

Penambahan kepekatan asid Kuantiti hasil

AIncrease rate of reaction Increase rate of reaction no change

Kadar tindak balas bertambah Kadar tindak balas bertambah Tidak berubah

BDecrease rate of reaction Decrease rate of reaction Increase

Kadar tindak balas berkurang Kadar tindak balas berkurang Bertambah

CDecrease rate of reaction Increase rate of reaction Decrease

Kadar tindak balas berkurang Kadar tindak balas bertambah Berkurang

DIncrease rate of reaction Decrease rate of reaction Increase

Kadar tindak balas bertambah Kadar tindak balas berkurang Bertambah



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31 Diagram 18 shows oxidation process of ethanol.Rajah 18 menunjukkan proses pengoksidaan etanol

Water inAir masuk

Air

HeatHaba

Diagram 18

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Water outAir keluar

Ethanol with acidifiedpotassium dichromate

Campuran etanoldan kalium dikromat berasid

Rajah 18

What can be observed after being heated for 5 minutes?Apakah yang dapat diperhatikan selepas 5 minit dipanaskan?

A No colour changeTiada perubahan warna

B All of the ethanol vapourises and the flask becomes drySemua etanol meruap dan kelalang kering

C The colour of mixture changes from orange to greenWarna larutan campuran bertukar dari jingga ke hijau

D The mixture in the flask separated into two layers. The upper layer is yellowwhile the lower layer is greenCampuran dalam kelalang membentuk dua lapisan. Lapisan atas berwarna kuning, lapisanbawah berwarna hijau



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32 Diagram 19 shows the apparatus set up used to investigate the rusting of iron.Rajah 19 menunjukkan susunan radas yang digunakan untuk mengkaji pengaratan besi

Diagram 19Rajah 19

In which test-tubes will the iron rust?Dalam tabung uji manakah besi mengalami pengaratan?

A I onlyI sahaja

B II onlyIIsahaja

C I and III onlyIdan III sahaja

D

II and III onlyIIdan III sahaja

33 Diagram 20 shows a match. By striking the match, a chemical reaction is initiated.Rajah 20 menunjukkan sebatang mancis. Apabila mengores mancis, satu tindak balas akan dimulakan.

Diagram 20

Rajah 20

Which statements about the chemical reaction are correct?Antara pernyataan berikut yang manakah benar mengenai tindak balas di atas?

A Reaction is endothermic because energy is used to strike the matchTindak balas adalah endotermik sebab tenaga digunakan untuk mengores mancis

B Reaction is endothermic because energy is given out as the match burnsTindak balas adalah endotermik sebab tenaga dibebaskan apabila mancis terbakar

C Reaction is exothermic because energy is used to strike the matchTindak balas adalah eksotermik sebab tenaga digunakan untuk mengores mancis

D Reaction is exothermic because energy is given out as the match burnsTindak balas adalah eksotermik sebab tenaga dibebaskan apabila mancis terbakar



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37 Table 3 describes the structures of four particles.Jadual 3 menunjukkan struktur bagi empat zarah.

ParticleNumber of Number of

Number of electronsprotons neutrons

Zarah Bi langan elektron

Bil angan proton Bil angan neutronO 8 8 8

O2- 8 8 P

Na 11 Q 11

Na+ 11 12 R

Table 3Jadual 3

What are the correct values of P, Q and R?Apakah nilai yang betul bagi P, Q dan R?

P Q R

A 9 11 10

B 9 11 11

C 10 12 10

D 10 12 11

38 L and M are diatomic elements. L is less reactive than M.Which of the following elements are L and M?

L dan M adalah unsur-unsur dwiatom.Antara berikut yang manakah merupakan unsur L dan M?

L M

ABromine IodineBromin Iodin

BIodine BromineIodin Bromin

CSodium PotassiumNatrium Kalium

DPotassium Sodium

Kalium Natrium



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39 Table 4 gives information about the ability of four substances to conduct electricity.Jadual 4 menunjukkan maklumat mengenai kebolehan empat bahan untuk mengalirkan elektrik.

Substance Electrical conductivityBahan Kekonduksian elektri k

RDoes not conduct under any conditionsTidak mengalirkan arus elektrik dalam semua keadaan

TConducts only in aqueous solution

Mengalirkan arus elektrik dalam keadaan berair sahaja

UConducts in molten and solid state

Mengalirkan arus elektrik dalam keadaan leburan dan pepejal

WConducts in molten state and aqueous solution

Mengalirkan arus elektrik dalam keadaan leburan dan larutan berair

Table 4Jadual 4

What could these four substances be?Apakah keempat-empat bahan ini?

R T U W

A Pb HCl NaCl S

B S HCl NaCl Pb

C S HCl Pb NaCl

D S NaCl HCl Pb

40 Heating ammonium salts with sodium hydroxide will produce ammonia gas.

Which of the following ammonium salt can produce the greatest volume of ammoniagas?

Pemanasan garam ammonium dengan natrium hidroksida menghasilkan gas ammonia.Antara garam ammonium berikut yang manakah akan menghasilkan isipadu gas ammonia tertinggi?

A 0.5 mol (NH4)3PO4

B

0.5 mol (NH4)2SO4

C 1.0 mol NH4Cl

D 1.0 mol NH4NO3



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41 Diagram 22 shows an incomplete apparatus set up.Rajah 22 menunjukkan susunan radas yang tidak lengkap.

Diagram 22Rajah 22

Which of the following diagrams shows the correct completion at X after the solutionhas been electrolysed for some time?

Antara rajah berikut yang manakah merupakan pelengkap yang betul di X selepas elektrolisisdijalankan beberapa ketika?

A B

C D

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44 Diagram 24 shows some reactions of a compound J.Rajah 24 menunjukkan beberapa tindak balas bagi sebatian J.

Compound JSebatian J

Excess HNO3HNO3 berlebihan

Colourless solutionGas +Larutan tanpa warna

Excess NaOHNaOH berlebihan

White precipitate in excess NaOHMendakan putih dalam NaOH berlebihan

Diagram 24Rajah 24

What could compound J be?Apakah sebatian J?

A Aluminium carbonateAluminium karbonat

B Magnesium carbonateMagnesium karbonat

C Copper(II) carbonateKuprum(II) karbonat

D Zinc carbonateZink karbonat



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45 Calcium carbonate reacts with excess hydrochloric acid at room temperature and isrepresented by the equation

Kalsium karbonat bertindak balas dengan asid hidroklorik berlebihan pada suhu bilik dan diwakili

oleh persamaan.

CaCO3+ 2HCl CaCl2+ H2O + CO2

Two experiments were carried out.Dua eksperimen telah dijalankan.

Experiment I: 10 g of calcium carbonate in large lumps.Eksper imen I: 10 g ketulan kalsium karbonatExperiment II: 5 g of calcium carbonate as a fine powder.Eksperimen I I: 5g serbuk kalsium karbonat

Which of the following graph of volume of gas against time is correct?Antara graf isipadu gas melawan masa berikut yang manakah benar?

A B

C D



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50 When zinc nitrate is heated strongly, it decomposes according to the equationApabila zink nitrat di panaskan dengan kuat, ia akan terurai mengikut persamaan

2 Zn(NO3)2 2 ZnO + 4 NO2 + O2

Which of the following will be produced when 18.9 g of zinc nitrate is heated? [Molar

mass Zn(NO3)2= 189 gmol-1

, molar mass zinc oxide = 81 gmol-1

and 1 mol of gas

occupies a volume of 24 dm3at room temperature and pressure]

Antara berikut yang manakah akan terhasil jika 18.9 g zink nitrat dipanaskan?[Jisim molar: Zn(NO3)2=189 gmol

-1, molar mass ZnO = 81 gmol

-1dan 1 mol gas menempati isipadu

sebanyak 24 dm3pada suhu dan tekanan bilik]

A 4.8 dm3nitrogen dioxide gas

4.8dm3gas nitrogen dioksida

B

0.04 mol of oxygen gas0.4 mol of gas oksigen

C 7.1 g zinc oxide7.1g zink oksida

D 2.4 dm3oxygen gas

2.4dm3gas oksigen

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