excel form 4 chemistry paper 1

8/3/2019 Excel Form 4 Chemistry Paper 1

1/30

1

4541 / 1 2011 JABATAN PELAJARAN SABAH

SIJIL PELAJARAN MALAYSIA 2012

EXCEL

4541/1

CHEMISTRY FORM 4

KERTAS 1

OKT / NOV 2011

1 jam Satu jam lima belas minit

DO NOT OPEN THE QUESTION PAPER UNTIL YOU ARE TOLD TO DO SO

JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU

1. Kertas soalan ini dalam dwibahasa.2. Soalan dalam Bahasa Inggeris mendahului soalan yang sepadan dalam B.Melayu

INFORMATION FOR CANDIDATES

MAKLUMAT UNTUK CALON

1. This question paper consists of 50 questions.

Kertas soalan Ini mengandungi 50 soalan.

2. Answer all questions.

Jawabsemuasoalan.

3. The diagrams in the questions provided are not drawn to scale unless stated.

Rajah yang mengiringi soalan tidak dilukiskan mengikut skala kecuali dinyatakan.

4. You may use a non-programmable scientific calculator.

Anda dibenarkan menggunakan kalkulator saintifik yang tidak boleh diprogram.

THIS QUESTION PAPER CONSIST OF 24 PRINTED PAGES

NAMA :_________________________

KELAS :_________________________

JABATAN PELAJARAN NEGERI SABAH


2/30

2


1 Which of these substances will not sublimate?

Bahan yang manakah tidak akan memejalwap?

A IodineIodin

B Ammonium chloride

Ammonium klorida

C Potassium chloride

Kalium klorida

D Solid carbon dioxide

Pepejal karbon dioksida

2 Figure 1 shows the cooling graph of liquid acetamide. What is the reason for the

drop of temperature below the freezing point?

Rajah 1 menunjukkan graf penyejukkan cecair asetamida. Apakah yang

menyebabkan suhu jatuh di bawah takat beku?

Temperature/ Suhu (oC)

Time/Masa (s)

Figure 1Rajah 1

A Acetamide molecules start to combine with each other

Molekul-molekul asetamida bergabung sesama sendiri

B The surrounding temperature is too highSuhu sekeliling terlalu tinggi

C Acetamide molecules start to degrade

Molekul asetamida mula terurai

D The mixture was not stirred

Campuran tidak dikacau


3/30

3


3 The proton number of atom P is 17. Which is the correct electron arrangement for

ion P?Nombor proton atom P ialah 17. Apakah susunan elektron yang betul bagi ion P?

A 2.7

B 2.8.7

C 2.8.8

D 2.8.8.8

4 Naphthalene solid are heated until they melt. Which of the following graph

represents the temperature versus time graph?

Pepejal naftalena dipanaskan sehingga melebur. Antara graf yang berikut, yang

manakah mewakili graf suhu melawan masa?

A Temperature/Suhu (oC)

Time/Masa (s)

B Temperature/Suhu (oC)

Time/Masa (s)

C Temperature/Suhu (oC)

Time/Masa (s)


4/30

4


D Temperature/Suhu (oC)

Time/Masa (s)

5 The following shows the relative molecular mass or relative formula mass for

several compounds. Which is not true?

(Relative atomic mass : H=1 , C=12 , N=14 , O=16 , Mg=24, K=39)

Yang berikut menunjukkan jisim molekul relatif atau jisim formula relatif bagi

beberapa sebatian. Yang manakahtidakbetul?

(Jisim atom relatif: H=1 , C=12 , N=14 , O=16 , Mg=24, K=39)

Compound Relative molecular mass / Relative formula mass

Sebatian Jisim molekul relatif / Jisim formula relatif

A CO 28

B NH3 15

C K2O 94

D MgO 40


5/30

5


6

Which of the following represents X, that enables the number of moles of the

substances to be calculated?

Antara berikut, yang manakah mewakili X untuk membolehkan bilangan mol bahan

dihitung?

A Avogadro constant

Pemalar Avogadro

B Relative atomic mass

Jisim atom relatif

C Molar volume of gas

Isipadu molar gas

D Relative molecular mass

Jisim molekul relatif

7

W X Y Z

Figure 2

Rajah 2

Figure 2 shows a Periodic Table. Which of the following shows correctly the

groups for W, X, Y, and Z?

Rajah 2 menunjukkan satu Jadual Berkala. Antara berikut, yang manakah

menunjukkan dengan betul kumpulan bagi W, X, Y dan Z?

Number of moles = volume of gasX

Bilangan mol = isipadu gas

X


6/30

6


Noble gas Halogen Earth alkaline metal Alkali metal

Gas adi Halogen Logam alkali bumi Logam alkali

A W X Y ZB X Y Z W

C Z Y W X

D Z Y X W

8 Figure 3 shows the electron arrangements for several atoms. Which of the

following are the characteristics of these elements?

Rajah 3 menunjukkan susunan elektron bagi beberapa atom unsur. Manakah di

antara berikut merupakan ciri-ciri bagi unsur berikut?

Figure 3Rajah 3

I Are chemically inert

Lengai secara kimia

II Exist as monoatomic particles

Wujud sebagai zarah-zarah monoatom

III Have boiling points which are low

Mempunyai takat didih yang rendah

IV Do not release electrons to other elements

Tidak melepaskan elektron kepada unsur lainA I and II

I dan II

B I and III

I dan III

P QR


7/30

7


C I, III, and IV

I, III, dan IV

D I, II, III, and IV

I, II, III, dan IV

9 Which is the property of Group 1 metals?

Antara berikut, yang manakah merupakan sifat logam Kumpulan 1?

A Have high density

Mempunyai ketumpatan yang tinggi

B Can conduct electricity

Boleh mengkonduksikan elektrik

C Do not react with oxygen

Tidak bertindak balas dengan oksigen

D React with water to produce metal oxide

Bertindak balas dengan air untuk menghasilkan oksida logam

10 The melting point and boiling point of bromine are lower than that of iodine.

This is because

Takat lebur dan takat didih bromin adalah lebih rendah daripada iodin.

Ini adalah kerana

A Iodine exists as solids at room conditions

Iodin wujud sebagai pepejal pada keadaan bilik

B The number of shells of iodine atom are more

Bilangan petala atom iodin lebih banyak

C The iodine is placed below bromine in Group 17

Iodin terletak di bawah bromin dalam kumpulan 17

D The force of attraction between iodine particles is stronger

Daya tarikan antara zarah iodin lebih kuat


8/30

8


11 Among the following, which have the same number of electrons?

(Proton number: P=9, Q=11, R=12, S=17, T=19)

Antara berikut yang manakah mempunyai bilangan elektron yang sama?(Nombor proton: P=9, Q=11, R=12, S=17, T=19)

A P+ and Q+

P+dan Q+

B R-and S-

R-dan S-

C P+ and T2+

P

+

dan T

2+

D P+ and S-

P+dan S-

12 Among these compounds, which particles have electrostatic force between them?

Antara bahan berikut, yang manakah zarah-zarah mempunyai daya tarikan

elektrostatik?

A Iron

BesiB Iodine

Iodin

C Copper(II)oxide

Kuprum(II)oksida

D Tetrachloromethane

Tetraklorometana


9/30

9


13 Which of the following statements about covalent compounds are true?

Manakah antara pernyataan yang berikut benar bagi sebatian kovalen?

I Covalent compounds only dissolve in waterSebatian kovalen hanya larut dalam air

II Covalent compounds dissolve in organic solvents

Sebatian kovalen larut dalam pelarut organik

III Covalent compounds conduct electricity in solid form

Sebatian kovalen mengalirkan arus elektrik dalam keadaan pepejal

IV Covalent compounds have low melting points and boiling points

Sebatian kovalen mempunyai takat lebur dan takat didih yang rendah

A I and IIII dan III

B II and IV

II dan IV

C II, III, and IV

II, III, dan IV

D I, II, III, and IV

I, II, III, dan IV

14 Which is not an electrolyte?

Yang manakahbukanelektrolit?

A Molten lead(II)bromide

Leburan plumbum(II) bromida

B Sodium sulphate solution

Larutan natrium sulfat

C Solid magnesium oxide

Serbuk magnesium oksida

D Dilute sulphuric acid

Larutan cair asid sulfurik


10/30

10


15 When dissolved in water, electrolytes produce

Apabila dilarutkan dalam air, elektrolit menghasilkan

A MoleculesMolekul-molekul

B Ions

Ion-ion

C Gas bubbles

Gelembung gas

D Ionic compounds

Sebatian ion

16 Figure 4 shows the electrolysis process performed on concentrated copper(II)

chloride solution. Chloride ions instead of hydroxide ions are chosen for

discharge at the anode because

Rajah 4 menunjukkan elektrolisis larutan kuprum(II) klorida pekat.

Ion klorida akan dipilih untuk dinyahcas dan bukannya ion hidroksida kerana

Figure 4 / Rajah 4

A Chloride ion is located higher than hydroxide ion in the electrochemical

series

Kedudukan ion klorida lebih tinggi daripada ion hidroksida di dalam siri

elektrokimia

Copper(II) chloride solutionLarutan kuprum(II) klorida

Graphite rodsRod grafit


11/30

11


B The number of chloride ions is lower than hydroxide ion

Bilangan ion klorida lebih rendah daripada ion hidroksida

C Chloride ion is more reactive than hydroxide ion

Ion klorida lebih reaktif daripada ion hidroksidaD Concentration of chloride ions is higher than hydroxide ions

Kepekatan ion klorida lebih tinggi daripada ion hidroksida

17 Which of the following is a diprotic acid?

Antara yang berikut, yang manakah asid dwibes?

A Ethanoic acid

Asid etanoik

B Hydrochloric acid

Asid hidroklorik

C Phosphoric acid

Asid fosforik

D Sulphuric acid

Asid sulfurik

18 Which of the following statements is true about weak acids?

Antara yang berikut, yang manakah benar tentang asid lemah?

A Its pH value is above 7

Nilai pH melebihi 7

B It is not corrosive

Tidak menghakis

C It ionises partially in water to produce hydrogen ions

Mengion separa dalam air menghasilkan ion hidrogen

D It turns red litmus paper blue

Menukarkan kertas litmus merah menjadi biru


12/30

12


19 A neutralisation reaction occurs when an alkali reacts with an acid to form

Tindakbalas peneutralan berlaku apabila alkali bertindakbalas dengan asid

untuk menghasilkanA Salt

Garam

B Water and salt

Air dan garam

C Salt and hydrogen gas

Garam dan gas hidrogen

D Salt and carbon dioxide gas

Garam dan gas karbon dioksida

20 Among these salts, which is not decomposed by heat?

Antara garam-garam berikut, manakah yangtidakterurai oleh tindakan haba?

A Potassium nitrate

Kalium nitrat

B Magnesium carbonate

Magnesium karbonat

C Lead(II) sulphatePlumbum(II) sulfat

D Sodium carbonate

Natrium karbonat

21 Table 1 shows the colours of oxide X and oxide Y when hot and cooled.

Jadual 1 menunjukkan warna oksida X dan oksida Y dalam keadaan panas

dan sejuk.

OxideOksida

Colour of oxide whenWarna oksida apabilahot

dipanaskancooled

disejukkan

X BrownPerang

YellowKuning

Y YellowKuning

WhitePutih


13/30

13


Table 1 / Jadual 1

Among these, which are oxides of X and Y?

Antara yang berikut, yang manakah oksida X dan Y?

Oxide X Oxide Y

Oksida X Oksida Y

A Lead(II) oxide Copper(II) oxide

Plumbum(II) oksida kuprum(II) oksida

B Magnesium oxide Zinc oxide

Magnesium oksida Zink oksida

C Zinc oxide Lead(II) oxide

Zink oksida Plumbum(II) oksidaD Lead(II) carbonate Zinc carbonate

Plumbum(II) karbonat Zink karbonat

22 The following information is about the manufacturing of X in industry.

Maklumat berikut adalah tentang penghasilan bahan X dalam industri.

What is X?

Apakah bahan X?

A Sulphuric acid

Asid sulfurik

B Ammonia

Ammonia

C PolymerPolimer

D Alloy

Aloi

Temperature /Suhu: 450oC-550

oC

Pressure /Tekanan: 200 atm

Catalyst /Mangkin: iron


14/30

14


23 Which of the following is not the aim of alloying?

Antara yang berikut, yang manakahbukantujuan pengaloian?

A To improve the appearance of a pure metalUntuk memperbaiki rupa logam tulen

B To improve the arrangement of atoms in pure metal

Untuk memperbaiki susunan atom logam tulen

C To increase the strength and hardness of a pure metal

Untuk meningkatkan kekuatan dan kekerasan logam tulen

D To increase the resistance to corrosion of a pure metal

Untuk meningkatkan ketahanan logam tulen terhadap kakisan

24 What is the monomer for polyvinyl chloride?

Apakah monomer bagi polivinil klorida?

A Chloroethene

Kloroetena

B Propene

Propena

C Ethene

EtenaD Chloroethane

Kloroetana

25 The followings are types of glasses except

Berikut adalah jenis-jenis kacakecuali

A Fused glass

Kaca terlakur

B Lead crystal glassKaca plumbum

C Silica glass

Kaca silika

D Soda-lime glass

Kaca kapur-soda


15/30

15


26 ElementUnsur

Number of neutronsBilangan neutron

Electron arrangementSusunan elektron

P 8 2.6

Q 9 2.6R 8 2.7S 10 2.8

Table 2

Jadual 2

Table 2 shows the number of neutrons and the electron arrangement for element

P, Q, R, and S. Which of the followings are isotopes?

Jadual 2 menunjukkan bilangan neutron dan susunan elektron bagi unsur P, Q, R,

dan S. Antara berikut, yang manakah merupakan isotop?

A P and Q

P dan Q

B P and R

P dan R

C P and S

P dan S

D Q and R

Q dan R

27

Figure 5Rajah 5

Solid iodineHablur iodin

Solid iodineHablur iodin

Purple vapour of IodineWap iodin berwarna ungu

HeatPanaskan


16/30

16


Figure 5 shows the changes of state of matter. What is the process which forms a

purple vapour?

Rajah 5 menunjukkan perubahan keadaan jirim. Antara berikut, yang manakah

proses yang membentuk wap ungu?

A Sublimation

Pemejalwapan

B Condensation

Kondensasi

C Boiling

Pendidihan

D Melting

Peleburan

28 An atom of element X has 3 shells containing electrons. When element X reacts

with bromine, a compound with formula XBr is formed.

Which of the following is element X?

(Given that the proton number of Na=11, Si=14, K=19, Ca=20.)

Atom X mempunyai 3 petala yang mengandungi elektron. Apabila unsur X

bertindak balas dengan gas bromin, sebatian berformula XBr terbentuk.

Antara berikut yang manakah unsur X?

(Diberi nombor proton Na=11, Si=14, K=19, Ca=20.)

A Calcium

Kalsium

B Sodium

Natrium

C Potassium

Kalium

D Silicon

Silikon


17/30

17


29 2.7 g of element P reacts with 2.4g of element Q to form a substance with the

empirical formula of P2Q3. What is the relative atomic mass for Q?

(Relative atomic mass: P=27)2.7 g unsur P bertindak balas dengan 2.4g unsur Q untuk membentuk sebatian

dengan formula empirik P2Q3. Berapakah jisim atom relatif bagi Q?

(Jisim atom relatif: P=27)

A 8

B 16

C 24

D 31

30 Figure 6 shows two atoms of elements P and Q. How do the atom of elements P

and Q achieve stability through chemical reactions?

Rajah 6 menunjukkan dua atom unsur P dan Q. Bagaimanakah atom unsur P dan

Q mencapai kestabilan melalui tindak balas kimia?

Figure 6Rajah 6

P Q

A Receives 1 electron Releases 2 electrons

Menerima 1 elektron Melepaskan 2 elektron

B Receives 1 electron Receives 6 electrons

Menerima 1 elektron Menerima 6 elektron

C Releases 1 electron Releases 2 electrons

Melepaskan 1 elektron Melepaskan 2 elektron

D Releases 1 electron Receives 6 electrons

Melepaskan 1 elektron Menerima 6 elektron

P Q


18/30

18


31 Which are the special characteristics of transition elements?

Manakah di antara berikut merupakan ciri-ciri khas unsur peralihan?

I Form complex ionsMembentuk ion-ion kompleks

II Good conductor of electricity

Konduktor elektrik yang baik

III Form ions and compounds which are coloured

Membentuk ion atau sebatian yang berwarna

IV Form ions which have different oxidation numbers

Membentuk ion-ion yang mempunyai nombor pengoksidaan yang berbeza

A I and III dan II

B III and IV

III dan IV

C I, III and IV

I, III, dan IV

D I, II, III and IVI, II, III dan IV

32 ElementUnsur

Electron arrangementSusunan elektron

P 2.8.3Q 2.6

Table 3 / Jadual 3

Table 3 shows the proton numbers of elements P and Q. Which is true of the

compound formed between elements P and Q?

Jadual 3 menunjukkan nombor proton bagi unsur P dan Q. Manakah benar bagi

sebatian yang terbentuk antara unsur P dan Q?

Compound formula Type of bondFormula sebatian Jenis ikatan

A PQ Ionic bond/ Ikatan ionik

B PQ2 Covalent bond/ Ikatan kovalen

C P2Q3 Ionic bond /Ikatan ionik

D P2Q3 Covalent bond /Ikatan kovalen


19/30

19


33 Figure 7 shows a simple voltaic cell.

Rajah 7 menunjukkan sebuah sel ringkas.

Figure 7

Rajah 7

Which can be observed on the magnesium strip and zinc plate?

Antara yang berikut, yang manakah pemerhatian yang betul pada jalur

magnesium dan kepingan zink?

Magnesium strip

Jalur magnesium

Zinc plate

Kepingan zink

AMass decreased

Jisim berkurangan

Mass decreased

Jisim berkurangan

B

Colourless bubbles gas released

Gelembung gas tanpa warna

dibebaskan

Grey solids formed

Pepejal kelabu terbentuk

C

Grey solids formed

Pepejal kelabu terbentuk



dibebaskan

D

Mass decreased

Jisim berkurangan



dibebaskan

V

Zinc plateKe in an zink

Magnesium stripJalur magnesium

Sodium nitrate solutionLarutan natrium nitrat


20/30

20


34

Aqueous solution

Larutan akueus

K L M N

pH value

Nilai pH

3 7 9 11

Table 4

Jadual 4

Table 4 shows aqueous solutions K, L, M and N with their pH values. Which

will react with calcium carbonate to release carbon dioxide?

Jadual 4 menunjukkan nilai pH larutan akueus K, L, M dan N. Antara yang

berikut, yang manakah bertindakbalas dengan kalsium karbonat

membebaskan gas karbon dioksida?

A K

B L

C M

D N

35 50.0 cm3

of 0.5 mol dm-3

sodium hydroxide solution can be neutralisedcompletely by

50.0 cm3 larutan natrium hidroksida 0.5 mol dm-3boleh dineutralkan

sepenuhnya oleh

A 50.0 cm3 of 0.5 mol dm-3 nitric acid solution

50.0 cm3of 0.5 mol dm-3 larutan asid nitrik

B 50.0 cm3 of 0.5 mol dm-3 sulphuric acid solution

50.0 cm3of 0.5 mol dm-3 larutan asid sulfurik

C 100.0 cm

3

of 0.5 mol dm

-3

hydrochloric acid solution100.0 cm3of 0.5 mol dm-3 larutan asid hidroklorik

D 50.0 cm3 of 0.5 mol dm-3 phosphoric acid solution

50.0 cm3of 0.5 mol dm-3 larutan asid fosforik


21/30

21


36 Figure 8 shows the preparation of a salt solution by reacting substance X with dilute

sulphuric acid.

Rajah 8 menunjukkan penyediaan larutan garam hasil daripada tindak balas bahan

X dengan asid sulfurik.

Figure 8

Rajah 8

Substance X could be

Bahan X adalah

A Ammonia

Ammonia

B Magnesium sulphate

Magnesium sulfat

C Hydrogen chloride

Hidrogen klorida

D Barium sulphate

Barium sulfat

Sulphuric acidAsid sulfurik

X

HeatPanaskan


22/30

22


37 Among the following ions, which will produce precipitation when added with

hydrochloric acid solution?

Antara ion-ion berikut, yang manakah akan menghasilkan mendakan apabila

dicampur dengan larutan asid hidroklorik?

I Ca2+

II Pb2+

III Ag+

IV Al3+

A I and II

I dan II

B II and III

II dan III

C I, II and III

I, II dan III

D I, II, III and IV

I, II, III dan IV

38 Figure 9 shows a flow chart of parts of the Contact process.

Rajah 9 di bawah menunjukkan carta alir bagi proses Sentuh.

Figure 9

Rajah 9

What are represented by compounds X and Y?

Apakah yang diwakili oleh sebatian X dan Y?

Sulphur X Sulphur

trioxide

Y Sulphur


23/30

23


X Y

A

Oleum

Oleum

Sulphur dioxide

Sulfur dioksida

B

Sulphur oxide

Sulfur oksida

Oleum

Oleum

C

Oleum

Oleum

Sulphur oxide

Sulfur oksida

D

Sulphur dioxide

Sulfur dioksida

Oleum

Oleum

39 Which of the following darkens the photochromic glass when exposed to sunlight?

Antara yang berikut, yang manakah akan menyebabkan gelas fotokromik menjadi

gelap apabila terdedah kepada cahaya matahari?

A Copper(II)ion

Ion kuprum(II)

B Chloride ion

Ion klorida

C Silver atom

Atom argentum

D Copper atom

Atom kuprum


24/30

24


40 Which of the following polymers and properties are correctly matched?

Antara berikut, manakah padanan yang betul untuk polimer dan ciri-cirinya?

Name of polymer

Nama polimer

Properties

Ciri

APerspex

Perspeks

Transparent, strong, light

Lutsinar, keras, ringan

BPolyethylene

Polietilena

Durable, non-stick, strong

Tahan lama, tidak melekat, kuat

CTeflon

Teflon

Easily melted, heat insulator

Mudah lebur, penebat haba

DPolystyrene

Polistirena

Heavy, permeable, heat insulator

Berat, telap, penebat haba

41 Metal P forms an oxide with the formula P2O. If the formula for a manganate(VII) ion is

MnO4-, what is the formula for the manganate substance for P?

Logam P membentuk oksida yang berformula P2O. Jika formula bagi ion manganat(VII)

adalah MnO4-, apakah formula bahan manganat bagi P?

A PMnO4

B P2MnO4

C P(MnO4)2

D P2(MnO4)3

42 Calculate the mass of zinc reacting with dilute nitric acid if 240 cm3 of hydrogen gas is

released in this reaction.

(Relative atomic mass : Zn=65 ; Molar volume : 24 dm3 at room conditions).

Hitung jisim zink yang bertindak balas dengan asid nitrik jika 240 cm3 gas hidrogen

terbebas dalam tindak balas ini.(Jisim atom relatif : Zn=65 ; Isipadu molar = 24 dm3pada keadaan bilik)

A 0.065 g

B 0.65 g

C 6.5 g

D 65 g


25/30

25


43 Compound P is made up of one metal atom and two non-metal atoms. Which are the

properties of compound P?

Sebatian P terdiri daripada satu atom logam dan dua atom bukan logam. Antara

berikut, manakah sifat sebatian P?

I Highly volatile

Mudah meruap

II High melting point and boiling point

Takat lebur dan takat didih tinggi

III Conducts electricity in molten state

Mengalirkan elektrik dalam keadaan leburan

IV Highly soluble in organic solvent

Sangat larut dalam pelarut organic

A II and III

II dan III

B I, II and III

I, II dan III

C I, II and IV

I, II dan IV

D II, III and IV

II, III dan IV


26/30

26


44 Figure 10 shows the apparatus arrangement to study the electroplating of an iron

spoon using electrolysis.

Rajah 10 menunjukkan susunan radas untuk mengkaji penyaduran sudu besi

menggunakan elektrolisis.

Figure 10

Rajah 10

What are the observations in this experiment?

Apakah pemerhatian dalam eksperimen ini?

I Copper plate dissolves

Plat kuprum melarut

II Brown solid formed on the iron spoon

Pepejal perang terbentuk pada permukaan sudu besi

III Blue coloured solution becomes faded

Larutan biru menjadi pudar

IV Mass of iron spoon decreases

Jisim sudu besi berkurang

A I and II

I dan II

B I, II and III

I, II dan III

C I,II and IV

I, II dan IV

D I,II,III and IV

I, II, III dan IV

Copper platePlat kuprum

Iron spoon

Sudu besi

Copper(II)sulphate solution

Larutan kuprum(II)sulfat


27/30

27


45 Table 5 shows information about three simple voltaic cells.

Jadual 5 menunjukkan maklumat tiga sel ringkas.

Voltaic cell

Sel kimia

Electrodes used

Elektrod digunakan

Potential different (V)

Beza keupayaan (V)

P Iron and zinc

Besi dan zink

0.2

Q Zinc and magnesium

Zink dan magnesium

1.6

R Copper and magnesium

Kuprum dan magnesium

2.6

Table 5

Jadual 5

What is the potential difference of a voltaic cell which consists of copper and iron

electrodes?

Apakah beza keupayaan sel ringkas yang terdiri daripada elektrod kuprum dan

besi?

A 0.4 V

B 0.6 V

C 0.8 V

D 2.4 V

46 Which of the following fertilizers contain the highest percentage of nitrogen?

(Relative atomic mass: H=1, C=12, N=14, O=16, P=31, S=32, Ca=40)

Antara baja-baja berikut, manakah mengandungi peratusan nitrogen tertinggi?

(Jisim atom relatif: H=1, C=12, N=14, O=16, P=31, S=32, Ca=40)

A Urea, CO(NH2)2

Urea, CO(NH2)2

B Calcium nitrate, Ca(NO3)2

Kalsium nitrat, Ca(NO3)2


28/30

28


C Ammonium nitrate, NH4NO3

Ammonium nitrat, NH4NO3

D Ammonium phosphate, (NH4)3PO4

Ammonium fosfat, (NH4)3PO4

47

X consists of

X terdiri daripada

A Aluminium, copper, magnesium

Aluminium, kuprum, magnesium

B Aluminium, copper, magnesium, antimony

Aluminium, kuprum, magnesium, antimoni

C Aluminium, copper, chromium, manganese

Aluminium, kuprum, kromium, mangan

D Aluminium, copper, magnesium, manganese

Aluminium, kuprum, magnesium, mangan

48 Figure 11 shows part of the structure of a polymer molecule.

Rajah 11 menunjukkan sebahagian struktur molekul polimer.

Cl H Cl H Cl H

C C C C C C

H H H H H H

Figure 11 / Rajah 11

Which is the monomer for the polymer?

Yang manakah merupakan monomer untuk polimer di atas?

X is used to make the body of aeroplanes, racing bicycleand body of bullet trains.

X digunakan untuk membuat badan kapal terbang, basikallumba dan keretapi laju.


29/30

29


A

H H

C = C

H H

B

H H

C = C

H Cl

C

H CH3

C = C

H Cl

D

H CH3

C = C

H H


30/30

30

49 Reactive metals react with dilute acids to produce hydrogen gas. 1.0 g of metal P is

reacted with 100 cm3 of 2.0 mol dm-3 sulphuric acid. Which of the following metals

will liberate the largest volume of gas at room conditions?(Relative atomic mass: Mg=24, Al=27, Fe=56, Zn=65)

Logam reaktif bertindak balas dengan asid cair menghasilkan gas hidrogen. 1.0 g

logam P bertindak balas dengan 100 cm3 larutan asid sulfurik 2.0 mol dm-3. Antara

berikut, manakah membebaskan isipadu gas yang paling banyak pada keadaan

bilik?

(Jisim atom relatif: Mg=24,Al=27,Fe=56,Zn=65)

A AluminiumAluminium

B Iron(II)

Ferum(II)

C Magnesium

Magnesium

D Zinc

Zink

50 What volume of 10 mol dm-3 sulphuric acid is needed to make 1.0 dm3 of 2.0 mol

dm-3 sulphuric acid?

Apakah isipadu 10 mol dm-3 asid sulfurik yang diperlukan untuk menghasilkan 1.0

dm3asid sulfurik 2.0 mol dm-3?

A 20 cm3

B 200 cm3

C 500 cm3

D 1000 cm3

END OF QUESTION PAPER KERTAS SOALAN TAMAT

excel form 4 chemistry paper 1

Documents