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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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