8/8/2019 kimia f4 2010 p1

1/22

SEK. MEN. KEB. ULU BERNAM

PEPERIKSAAN AKHIR TAHUN 2010

KIMIA TINGKATAN 4

Kertas 1

1 jam Satu jam lima belas minit

Arahan : Bagi soalan1 hingga 50, tiap-tiap soalan diikuti oleh empatpilihan jawapan A, B, Cdan D . Pilih satu jawapan yang terbaik bagi tiap-tiap soalan dan hitamkan ruangan

yang sepadan pada kertas jawapan objektif anda.

1 The elements in the Periodic Table of Elements is arranged based on the increasing ofUnsur-unsur dalam Jadual Berkala Unsur disusun mengikut pertambahan

A the number of shell

bilangan petalaB the neutron number

bilangan neutronC the proton number

bilangan proton

D the number of electron

bilangan elektron

2. Which one of the following substances consists of atoms?

Antara bahan berikut yang manakah terdiri daripada atom-atom?

A Solid sodium chloridePepejal natrium klorida

B Carbon dioxide gas

Gas karbon dioksidaC neon gas

Gas neonD Water

Air

3. Which of the following substances contains ions that move freely?

Antara bahan berikut yang manakah mengandungi ion-ion yang bergerak bebas?

A Lead(II) bromide molten

Leburan plumbum(II) bromidaB Sodium chloride powder

Pepejal natrium kloridaC Ethanoic acid glacial

Asid etanoik glasialD Ethanol

Etanol

1

8/8/2019 kimia f4 2010 p1

2/22

4. The chemical which ionises partially in water to produce hydrogen ions is

Bahan kimia yang mengion separa lengkap dalam air untuk membebaskan ion hidrogen

ialah

A strong acid

asid kuatB weak acid

asid lemahC strong alkali

alkali kuatD weak alkali

alkali lemah

5. Which of the following solution, dissolved in water and will produce a solution that have

a pH value below than 7?

Antara bahan berikut yang manakah apabila dilarutkan dalam air membentuk larutan

yang mempunyai nilai pH kurang daripada 7?

A Ethanol

EtanolB Ammonia

AmmoniaC Sulphur trioxide

Sulfur trioksida

D Sodium chloride

Natrium klorida

6 Which of the following is NOT TRUE about composite?Antara berikut yang manakah BUKAN bahan komposit?

A Glass

Kaca B Superconductor

Superkonduktor C Photochomic glass

Kaca Fotokromik D Plastic that have been proved by glass

Plastik yang diperkukuhkan dengan kaca

7 Which of the following catalyst is used in the Haber process?

Antara mangkin berikutyang manakah digunakan dalam proses Haber?

A Nicke l C Platinum

Nikel P

B Iron D Vanadium(V) oxide

Ferum Vanadium(V) oksida

2

8/8/2019 kimia f4 2010 p1

3/22

8. Which of the following is the ionic equation for the reaction between hydrochloric acid

with sodium hydroxide solution?

Antara berikut yang manakah persamaan ion bagi tindak balas antara larutan asidhidroklorik dengan larutan natrium hidroksida?

A H+(ak) + Cl-(ak) + Na+(ak) + OH-(ak) NaCl(ak) + H2O(ce)

B HCl(ak) + NaOH(ak) NaCl(ak) + H2O(ce)C Na+(ak) + Cl-(ak) NaCl(ak)

D H+(ak) + OH-(ak) H2O(ce)

9. The following table shows the proton number of four elements P, Q, R and S.

Jadual berikut menunjukkan nombor proton bagi empat atom unsurP, Q, Rdan S.

Element

Unsur

Proton number

Nombor proton

P 4

Q 9

R 11

S 17

Which of the following pairs of elements is located in the same group? Antarapasangan unsur berikut, yang manakah berada dalam kumpulan yang sama?

A P andQP dan Q

B Q and S

Q dan S

C P and Q

P dan Q

D R and S

Rdan S

10. Which of the following gas has double covalent bond between the particles?

Proton number is given; H=1, C=6, N=7, O=8, Ne=10

Antara gas berikut yang manakah mempunyai ikatan kovalen gandadua di antara zarah-zarahnya?

Diberi nombor proton ; H=1, C=6, N=7, O=8, Ne=10

A Neon

NeonB Nitrogen

NitrogenC Hydrogen

HidrogenD Carbon dioxide

Karbon dioksida

3

8/8/2019 kimia f4 2010 p1

4/22

11. The diagram shows a set-up of apparatus of electrolysis of hydrochloric acid.

Gambar rajah menunjukkan susunan radas bagi elektrolisis larutan asid hidroklorik

cair.

What is formed at cathode?Apakah yang terbentuk di katod?

A Chlorine gas

Gas klorin B Oxigen gas

Gas oksigen C Hydrogen gas

Gas hidrogen D Hydrogen chloride gas

Gas hidrogen klorida

12. Which of the following solution has the highest PH value ?

Antara larutan berikut yang manakah mempunyai nilai pH paling tinggi?

A Nitric acid 0.1 mol dm-3

Asid nitrik0.1 mol dm-3

B Ethanoic acid 0.1 mol dm-3

Asid etanoik0.1 mol dm-3

C Ammonia aqueus 0.1 mol dm-3

Ammonia akueus 0.1 mol dm-3

D Sodium hydroxide solution 0.1 mol dm-3

Larutan natrium hidroksida 0.1 mol dm-3

13. Figure shows an atomic symbol for element X

Rajah menunjukkan simbol atom unsur X

4

X27

13

Carbon

Karbon

Dilute hydrochloric acid

Asid hidroklorik cair

Carbon

Karbon

8/8/2019 kimia f4 2010 p1

5/22

Nucleus of X atom contains

Nukleus atom X mengandungi

A 13 proton and 14 neutron

13 proton dan 14 neutronB 13 neutron and 14 proton

13 neutron dan 14 protonC 13 electron and 14 proton

13 elektron dan 14 protonD 13 proton and 27 neutron

13 proton dan 27 neutron

14. A compound of formulae R2SO4 has a relative atomic mass is 142. What is the relative

atomic mass for R?

Satu sebatian berformula R2 SO4 mempunyai jisim formula relatif 142.Berapakah jisim atom relatif bagi R?

Relative atomic mass S= 32 and O = 16

Gunakan maklumat jisim atom relatif S=32 dan O=16

A 23

B 27

C 39

D 85.5

15. A vertical row in Periodic Table is called a group. What is the similarity between

elements in the same group?

Turus menegak dalam Jadual Berkala Unsur dinamakan kumpulan. Apakah persamaanantara unsur-unsur dalam kumpulan yang sama?

A number of proton

Bilangan protonB number of neutron

Bilangan neutronC number of shell of electron

Bilangan petala electronD number of valence electron

Bilangan elektron valens

16. The following table shows the proton number of atom of element X and Y.Jadual berikut menunjukkan nombor proton bagi atom unsurX dan Y.

Element

Unsur

Proton number

Nombor proton

X

Y

13

8

5

8/8/2019 kimia f4 2010 p1

6/22

What is the formula of the compound formed when element X is combined with element

Y?

Apakah formula sebatian yang terbentuk apabila unsur X berpadu dengan unsur Y?

A XY

B XY3

C X3Y2D X2Y3

17. The diagram shows a set-up of apparatus to investigate the reaction between sodium

metal and water.

Gambar rajah menunjukkan susunan radas untuk mengkaji tindak balas antara logamnatrium dengan air.

Sodium metal

Logam natrium

Which of the following is true about the above experiment?

Antara berikut yang manakah yang manakah benar bagi eksperimen di atas?

A Alkali solution is formed

Larutan beralkali terbentukB Acidic solution is formed

Larutan berasid terbentuk

C Salt solution is formedLarutan garam terbentuk

D Neutral solution formed

Larutan bersifat neutral

18 The formula of a compound isMN3.Formula bagi suatu sebatian ialahMN3.

Which of the following diagrams of electron arrangement is true for the atom of element

M and N?

Antara gambar rajah susunan elektron berikut yang manakah benar bagi atom unsurM

danN?

M N

A

6

Water

Air

8/8/2019 kimia f4 2010 p1

7/22

B

C

D

19 The diagram shows a set-up of apparatus of a chemical cell.

Gambar rajah menunjukkan susunan radas bagi suatu sel kimia.

Beaker X Beaker Y BikarX BikarY

Which of the following occurs after a few minutes?

Antara berikut yang manakah berlaku selepas beberapa minit?

A Siver rod become thinner

Rod argentum menjadi lebih nipisB The number of silver ion, Ag+ in the beaker X increases

Bilangan ion argentum, Ag+ dalam bikarX bertambahC Electron flows from copper rod to silver rod through the outer curcuit

Elektron mengalir dari rod kuprum ke rod argentum melalui litar luarD The intensity of the blue of the copper(II) sulphate solution in beaker Y decreases

Keamatan warna biru larutan kuprum(II)sulfat dalam bikarY berkurang

20. Which of the following ionic pairs have the same number of electrons

Antara pasangan ion berikut yang manakah mempunyai bilangan elektron yang sama?

[Proton number : Na, 11 ; Mg, 12 ; Cl, 17 ; K, 19 ; Ca, 20]

[Nombor proton : Na, 11 ; Mg, 12 ; Cl, 17 ; K, 19 ; Ca, 20]

7

Copper(II) nitrate solution

Larutan kuprum(II) nitrat

Silver nitrate solution

Larutan argentum nitrat

Copper rod

Rod kuprum

Silver rod

Rod argentum

Salt bridge

Titian garam

8/8/2019 kimia f4 2010 p1

8/22

A K+ and Cl-

K+ dan Cl-

B Ca2+ and Mg2+

Ca2+ dan Mg2+

C Na+ and cl-

Na+ dan Cl-

D K+ and Na+

K+ dan Na+

21. Solid X is heated as in the following diagram.

Pepejal X dipanaskan seperti dalam rajah berikut

The soda lime water becomes milky and the solid X changes from green to black.

Solid X is

Air kapur menjadi keruh dan pepejalXyang berwarna hijau bertukar menjadi hitam.

PepejalX ialah

A Copper(II) carbonate

kuprum(II) karbonat

B Iron(III) chloride

ferum(III) kloridaC Calcium carbonate

kalsium karbonat

D Iron(II) sulphate

ferum(II)sulfat

22. Figure shows a chemical reaction for making fertiliser

Rajah menunjukkan tindakbalas kimia untuk pembuatan baja

Which of the following statements represent the compound X

Antara berikut yang manakah merupakan sebataian X

8

Sulphuric acidAsid sulfurikAmmonia

Ammonia

Compound X

(fertilizer)

Sebatian X(baja)

Heat

Panaskan

Solid X

Pepejal XSoda lime water

Air kapur

8/8/2019 kimia f4 2010 p1

9/22

A Urea

UreaB Superphosphate

SuperfosfatC Ammonium sulphate

Ammonium sulfatD Ammonium phosphate

Ammonium fosfat

23. Figure shows the steps in producing sulphuric acid through contact process

Rajah menunjukkan langkah untuk penghasilan asid sulfurik melalui proses sentuh

Which of the following substances that used in process I, II, III and IV?

Antara berikut, bahan manakah yang digunakan dalam proses I,II,III dan IV ?

Process I

Proses I

Process II

Proses II

Process III

Proses III

Process IV

Proses IV

A Oxygen

Oksigen

Water

Air

Oxygen

Oksigen

Concentrated

sulphuric acid

Asid sulfurik pekat

B Oxygen

Oksigen

Concentrated

sulphuric acid

Asid sulfurik pekat

Water

Air

Oxygen

Oksigen

C Oxygen

OksigenOxygen

OksigenWater

AirConcentrated

sulphuric acid

Asid sulfurik pekat

D Oxygen

Oksigen

Oxygen

Oksigen

Concentrated

sulphuric acid

Asid sulfurik pekat

Water

Air

24. Large molecule that contain repeated molecule unit are called

Molekul besar yang mengandungi unit molekul ulangan disebut

A polimer C polimonomer

Polymer Polymonomer B monomer D makromolekul

mononer Macromolecul

Level II Level III Level IV

Sulfu ioksida Sulfur trioksida Oleum Asid sulfurik

9

Level 1

Peringkat I

Peringkat II Peringkat III Peringkat IV

8/8/2019 kimia f4 2010 p1

10/22

25. Table shows an information about glass X

Jadual menunjukkan maklumat tentang kaca X

Composition

Komposisi

Charateristics

Sifat

Uses

Kegunaan

Silicon dioxide,

Sodium carbonate andcalcium carbonate

Silikon dioksida,Natrium karbonat dan

Kalsium karbonat

Low melting point,

fragile and notwithstand heat

Takat leburrendah,

Mudah pecah danTidak tahan haba

Window glass

and electricalbulb glass

Kaca tingkap danKaca mentol

Which of the following is the glass X?

Antara berikut yang manakah merupakan kaca X ?

A Lead glass

Kaca plumbum

B Borosilicate glassKaca borosilikat

C Soda-lime glass

Kaca soda kapur D Kaca silica terlakur

26. Figure shows a percentage of metal mixture to make a spoon Y

Rajah menunjukkan peratus campuran logam untuk membuat sudu Y

Which of the following are advantages of spoon Y characteristic than metal spoon?

Antara berikut yang manakah kelebihan sifat sudu Y berbanding sudu besi ?

I Harder

Lebih kerasII Softer

Lebih ringanIII withstand rusting

Lebih tahan karatIV Higher electrical resistance

Lebih tinggi rintangan elektrik

A I only C II and IV only

I sahaja II dan IV sahaja

B I and III only D III and IV only

I dan III sahaja III dan IV sahaja27. Molecular formula for methane is as followed:

Metal =70% Chromium = 20% Nickel = 10%

Besi =70% Kromium=20% Nikel=10%

10

8/8/2019 kimia f4 2010 p1

11/22

Formula molekul bagi metana adalah seperti berikut:

Which of the following statements are true for one mole methane gas?Antara pernyataan berikut yang manakah benar bagi satu mol gas metana?

Use the information Relative Atomic Mass C = 12, H = 1, Avogadro constants =

6.0 1023 mol- 1, 1 mol gas= 24.0 dm3 at room condition.

Gunakan maklumat jisim atom relatif C = 12, H = 1, pemalar Avogadro = 6.0 1023

mol-1,1 mol gas menempati 24.0 dm3pada suhu dan tekanan bilik.

A Has mass 12g

Mempunyai jisim 12 g

B Contain 5 6 1023 atomMengandungi 5 6 1023 atom

C Contain 5 6 1023 molecule

Mengandungi 5 6 1023 molekul

D Contain 12dm3 at s.t.p

Mempunyai isipadu 12dm3pada suhu dan tekanan bilik

28. Which of the following is a salt ?

Antara berikut, yang manakah merupakan garam?

A

B

C

D

Lead (II) oxide

Plumbum(II) oksida

Barium hydroxide

Barium hidroksida

Aluminium nitrate

Aluminium nitrat

Hydrogen sulphate

Hidrogen sulfat

11

CH4

8/8/2019 kimia f4 2010 p1

12/22

29. Figure below shows volume and concentration of potassium hydroxide solution and

propanoic acid

Rajah menunjukkan isipadu dan kepekatan bagi larutan kalium hidroksida dan asidpropanoik

which of the following statements are true for both solution?

Antara pernyataan berikut yang manakah benar bagi kedua-dua larutan itu?

30. Which of the following are true for the reaction that occur in Contact Process?

Antara berikut yang manakah merupakan tindak balas yang berlaku dalam Proses

Sentuh?

Potassium hydroxide solution

Larutan kalium hidroksida

Ethanoic acid

Asid etanoik

A Weak alkaliAlkali lemah

Weak acidAsid lemah

B Low pH value

Nilai pH rendah

High pH value

Nilai pH tinggi

C High degree of ionization

Darjah pengionan tinggi

Low degree of ionization

Darjah pengionan rendah

B Low concentration of hydroxide ion

Kepekatan ion hidroksida rendahLow concebtration of hydrogen ion

Kepekatan ion hidrogen rendah

12

50cm3 potassium

hydroxide solution

0.1moldm-350cm3 ethanoic

acid

0.1moldm-3

8/8/2019 kimia f4 2010 p1

13/22

A The formation of sulphur dioxide from the burning of sulphur

Pembentukan sulfur dioksida melalui pembakaran sulfurB the reaction between sulphur and access of air will produce sulphuric acid

Tindak balas sulfur dioksida dengan udara berlebihan menghasilkan asidsulfurik

C the reaction between sulphur dioxide and concentrated sulphuric acid to produceoleum

Tindak balas antara sulfur dioksida dengan asid sulfurik pekat untukmenghasilkan oleum

D The dilution of oleum to sulphuric acid by using vanadium(V) oksida catalysed

Pencairan oleum kepada asid sulfurik dengan menggunakan mangkin vanadium(V)

oksida

31. Which of the following daily uses that not from chemical investigation?

Antara bahan-bahan kegunaan harian berikut yang manakah tidak diusahakan melaluikajian kimia?

A Plastic beg

Beg plastikB medicine

Ubat-ubatanC cotton

Kapaspembalut lukaD detergents

Bahan-bahan pencuci

32. Figure below shows the set-up of apparatus for dilution process of sodium hydroxide

solutionGambar rajah menunjukkan susunan radas bagi proses pencairan larutan natriumhidroksida

What is the concentration of sodium hydroxide now?

Berapakah kepekatan larutan natrium hidroksida yang baru?A 0.01 mol dm-3

B 0.10 mol dm-3

C 0.11 mol dm-3

D 0.12 mol dm-3

33. Figure below shows the symbol of atom in element M

Rajah menunjukkan simbol atom unsur M

13

180 cm3 distilledwater added

air suling ditambah 20 cm3 sodium hydroxide solution 1.0mol dm-3

8/8/2019 kimia f4 2010 p1

14/22

27

M

13

What is the type of bonding that forms when element M combines with oxygen element?

Use the information number of proton O = 16

Apakah jenis ikatan yang terbentuk apabila unsur M berpadu dengan unsur oksigen?

Gunakan maklumat nombor proton O = 16.

A ionic bonding

Ikatan ion

B single covalent bonding

Ikatan kovalen tunggal

C double covalent bonding

Ikatan kovalen ganda dua

D triplet covalent bonding

Ikatan kovalen ganda tiga

34. Figure below shows particles substances Z in state I changes to state II

Rajah menunjukkan zarah-zarah bahan Z dalam keadaan I berubah kepada keadaanII

Particles

zarah

State I state IIWhich of the following statements are true?

Antara pernyataan berikut yang manakah benar?I Sulimation process substances Z occur

Proses pemejalwapan bahan Z berlaku

II kinetic energy particles Z decreased

Tenaga kinetik zarah-zarah Z menjadi berkurang

14

8/8/2019 kimia f4 2010 p1

15/22

III Forces energy between particles Z decreased

Daya tarikan antara zarah-zarah bahan Z menjadi berkurang

IV Substances Z changes from solid to liquid states

Bahan X berubah dari keadaan pepejal kepada keadaan cecair

A I dan III onlyI dan III sahaja

B II dan IV only

II dan IV sahajaC II dan III only

II dan III sahaja

D I, II dan IV only

I, II dan IV sahaja

35. Which of the following is a strong acid?

Antara yang berikut, yang manakah asid kuat?

A

B

C

D

Alkyl sulphonic acid

Asid Alkil sulfonik

Ethanoic acid

Asid etanoik

Palmitic acid

Asid palmitik

Nitric acid

Asid nitrik

36. The body of an aeroplane is made up of alloy X.

Badan sebuah kapalterbang dibina dari sejenis aloi X.

What is the alloy X?Apakah aloi X itu?

A

B

C

D

Pewter

PiuterBrass

LoyangBronze

GangsaDuralumin

Duralumin

37. Which of the following is true about the charges of an electron, a neutron and a proton?

Antara yang berikut, yang manakah benar tentang cas-cas bagi elektron, neutron dan proton?

15

8/8/2019 kimia f4 2010 p1

16/22

A

B

C

D

38. Which of the following pair of compounds and formulae is correct?

Antara berikut, yang manakah pasangan sebatian dan fomulanya betul?

A

B

C

D

Compound Formula Sebatian Formula

Sodium sulphate NaSO4

Natrium sulfat

Copper(II) oxide Cu2O

Kuprum(II) oksida

Iron(III) chloride FeCl3Ferum(III) klorida

Zinc nitrate Zn(NO2)3Zink nitrat

39 Table 1 shows the proton number of elements W,X,Y and Z.

The letters used are not the actual symbol of the elements.

Jadual 1 menunjukkan nombor proton bagi unsur-unsur W,X,Y ,dan Z.

Huruf yang digunakan bukan simbol sebenar unsur itu.

TABLE 1

JADUAL 1Which of the following shows the ascending order of the atomic size of the elements?

Antara ynag berikut yang manakah menunjukkan susunan menaik saiz atom bagi unsur-unsur

itu?

16

Element

Unsur

Proton number

Nombor proton

W

XY

Z

11

1317

19

8/8/2019 kimia f4 2010 p1

17/22

A

B

C

D

W,X,Y,Z

Z,W,X,Y

Y,X,W,Z

Z,Y,X,W

40. Which of the following is true about covalent compound?

Antara berikut, yang manakah benar tentang sebatian kovalen?

A

B

C

D

Conduct electricity in molten or aqueous state

Mengalir elektrik dalam keadaan lebur atau akueus

Low melting point

Takat lebur rendah

Soluble in water

Larut dalam air

Not volatile

Tidak meruap

41 Diagram 8 shows a set up of chemical cell using a pair of zinc and copper as electrodes.

Rajah 8 menunjukkan susunan radas sel kimia menggunakan pasangan elektrod zink dan

kuprum.

DIAGRAM 8

RAJAH 8

The blue copper(II) sulphate solution turns pale.

Warna biru larutan kuprum(II) sulfat luntur

Which of the following explains the observation?Antara pernyataan berikut yang manakah menerangkan pemerhatian itu?

A

B

Zinc atom ionizes

Atom zink mengionCopper atom ionizes

Atom kuprum mengionSulphate ion is discharged

17

Copper(II) sulphate solution

Larutan kuprum(II) sulfat

Zinc

ZinkCopperkuprum

8/8/2019 kimia f4 2010 p1

18/22

C

D

Ion sulfat dinyahscas

Copper(II) ion is discharged

Ion kuprum(II) dinyahcas

Copper(II) ion is discharged

Ion kuprum(II) dinyahcas

42

Which of the following explains the above statement?

Antara berikut, yang manakah menerangkan pernyataan di atas?

A

B

C

D

Hydrochloric acid is a weak acid while ethanoic acid is a strong acid

Asid hidroklorik ialah asid lemah sementara asid etanoik ialah asid kuat

Hydrochloric acid dissociates partially while ethanoic acid dissociates completely in

water

Asid hidroklorik bercerai separa sementara asid etanoik bercerai sempurna di dalamair

The number of hydrogen atom in hydrochloric acid is smaller than in ethanoic acid

Bilangan atom hidrogen di dalam asid hidroklorik lebih kecil berbanding di dalam asid

etanoik

The concentration of hydrogen ion in hydrochloric acid is higher than in ethanoic acid

Kepekatan ion hidrogen di dalam asid hidroklorik adalah lebih tinggi berbanding didalam asid etanoik

43 The following equation shows the preparation of salt R.

Persamaan berikut menunjukkan penyediaan garam R

Solution P + Solution Q Solid R + Solution S

LarutanP + Larutan Q PepejalR + LarutanS

Which of the following set represents compound P,Q,R and S?

Antara set berikut, yang manakah merupakan sebatian P,Q,R dan S?P Q R S

I Pb NaBr PbBr 2 Na

II Ca(NO)3 K2SO4 CaSO4 KNO3III AgNO3 NaCl AgCl NaNO3IV NH4OH HCl NH4Cl H2O

A I and II only

I dan II sahaja

18

The pH value of 0.1 mol dm-3 hydrochloric acid,HCl is smaller than

the pH value of 0.1 mol dm-3 ethanoic acid, CH3COOH

Nilai pH bagi 0.1 mol dm -3 asid hidroklorik, HCl adalah lebih kecil berbandingdengan nilai pH bagi 0.1 mol dm-3 asid etanoik, CH3COOH

8/8/2019 kimia f4 2010 p1

19/22

B I and IV only

I dan IV sahaja

C II and III only

II and III sahaja

D III and IV only

III and IV sahaja

44. The manufacturing of sulfuric acid involves several reactions.

Pembuatan asid sulfurik melibatkan beberapa tindak balas.

Which of the following equations represents the sulfuric acid reaction that uses a catalyst?Antara persamaan berikut, yang manakah mewakili tindak balas asid sulfurik yang

menggunakan mangkin?

A

B

C

D

S + O2 SO2

2SO2 + O2 2SO3

SO3 + H2SO4 H2S2O7

H2S2O7 + H2 O 2H2SO4

45 Bromine-79 has 44 neutrons.

Bromin-79 mempunyai 44 neutron

Which of the following symbols represent the bromine atom?

Antara simbol berikut, yang manakah mewakili atom bromin?

A

B

C

D

19

35

79

35Br

44

Br35

79

44Br

79

Br

8/8/2019 kimia f4 2010 p1

20/22

46.

What is the empirical formula of metal oxide J?

Apakah formula empirik bagi oksida logam J?

[Relative atomic mass of J = 24, O = 16 ][Jisim atom relatif: J = 24, O = 16 ]

A

B

C

D

JO

JO2

J2O

J2O2

47. In the Periodic Table, element X is in group 1 and element Y is in group 17

The letters used are not the actual symbol of the elements.

Dalam Jadual Berkala Unsur, unsur X berada dalam kumpulan I dan unsur Y berada dalamkumpulan 17.Huruf yang digunakan bukan simbol sebenar unsur itu.

Which of the following chemical equation is true for the reaction between element X and element

Y?

Antara persamaan kimia berikut, yang manakah benar bagi tindak balas antara unsur X danunsur Y?A

B

C

D

2X + Y2 2XY

X + Y2 XY22X + Y X2Y

X + Y XY

48. The table 2 shows the electron arrangements of elements R, S, T dan U.

Jadual 2 menunjukkan susunan elektron bagi unsur R, S, T dan U

Which of the following pair of elements can form ionic compound?

Antara pasangan unsur berikut, yang manakah boleh membentuk sebatian ion?A

B

C

D

R and S

R dan S

S and U

S dan U

T and U

T dan U

R and T

20

2.0 g metal oxide J contains 1.2 g of element J

2.0 g oksida logam J mengandungi 1.2 g logam J

Elements

UnsurR S T U

Electron arrangement

Susunan elektron2.4 2.8 2.8.7 2.8.8.2

8/8/2019 kimia f4 2010 p1

21/22

R dan T

49. Calculate the percentage of nitrogen in ammonium nitrat, NH4NO3Hitungkan peratus kandungan nitrogen dalam ammonium nitrat, NH4NO3.

Given that the relative atomic mass of H = 1, N = 14, O = 16

Diberi bahawajJisim atom relatif H = 1, N = 14, O = 16

A

B

C

D

34.5

35.0

35.453.0

50. Table 5 shows the proton number for elements P, Q, R and S.

The letter used are not the actual symbol of the elements.

Jadual 5 menunjukkan nombor proton bagi unsur P, Q, R dan SHuruf-huruf yang digunakan bukan simbol sebenar unsur itu.

Element

Unsur

Proton number

Nombor proton

P

Q

R

S

T

8

9

13

19

20

TABLE 5

JADUAL 5

Which of following pair of ions has the same number of electrons?

Antara pasangan ion yang berikut, yang manakah mempunyai bilangan elektron yang sama?

A

B

C

D

P+ and R-

P+ dan R-

R3+and P2-

R3+dan P2-

T2+ and Q-

T2+ dan Q-

T2+ and P2-

T2+ dan P2-

21

8/8/2019 kimia f4 2010 p1

22/22

END OF QUESTION PAPER

KERTAS SOALAN TAMAT

DISEDIAKAN OLEH; DISEMAK OLEH;