This document is a chemistry exam paper for Form 4 students in Malaysia. It contains 50 multiple choice questions about chemistry topics like the periodic table, chemical bonding, acids and bases, and chemical equations. The questions are provided in both English and Malay languages. The document provides information for candidates on the structure of the exam, including the number of questions, how to answer, and guidelines on using a calculator.

1. SULIT 4541/1
4541/1
Chemistry
Paper 1
Okt. 2010
1¼ jam
PEPERIKSAAN AKHIR TAHUN 2010
TINGKATAN 4
CHEMISTRY
Paper 1
1 hour 15 minutes
JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU
DO NOT OPEN THIS PAPER UNTIL YOU ARE TOLD TO DO SO
1. Kertas soalan ini adalah dalam dwibahasa
2. Soalan di bahagian atas adalah dalam Bahasa Inggeris. Soalan di bawah
dalam tulisan condong adalah dalam Bahasa Melayu yang sepadan.
3. Calon dikehendaki membaca maklumat di halaman 2 atau halaman 3.
_______________________________________________________________________
Kertas soalan ini mengandungi 30 halaman bercetak.
@PKPSM Cawangan Pahang 2010
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2. SULIT 4541/1
INFORMATION FOR CANDIDATES
1. This question paper consists of 50 questions.
2. Answer all questions.
3. Answer each question by blackening the correct space on the answer
sheet.
4. Blacken only one space for each question.
5. If you wish to change your answer, erase the blackened mark that you
have made. Then blacken the space for the new answer.
6. The diagrams in the questions provided are not drawn to scale unless
stated.
7. You may use a non-programmable scientific calculator.
MAKLUMAT UNTUK CALON
1. Kertas soalan ini mengandungi 50 soalan.
2. Jawab semua soalan.
3. Jawab dengan menghitamkan ruangan yang betul pada kertas jawapan.
4. Hitamkan satu ruangan sahaja bagi setiap soalan.
5. Sekiranya anda hendak menukar jawapan, padamkan tanda yang telah
dibuat. Kemudian hitamkan jawapan yang baru.
6. Rajah yang mengiringi soalan tidak dilukis mengikut skala kecuali
dinyatakan.
7. Anda dibenarkan menggunakan kalkulator saintifik yang tidak boleh
diprogram.
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For Question 1 to Question 50, each question is followed by four options, A,B,C and
D. Choose one correct answer for each question and blacken the corresponding space
in your objective answer sheet.
Bagi soalan 1 hingga 50, setiap soalan diikuti oleh empat pilihan jawapan iaitu A,B,C
dan D. Pilih satu jawapan yang betul bagi setiap soalan dan hitamkan ruangan yang
sepadan pada kertas jawapan objektif anda.
1 Diagram 1 shows the electron arrangement of an atom of element P.
Rajah 1 menunjukkan susunan elektron bagi atom unsur P.
P
Diagram 1
Rajah 1
What is the number of valence electrons in atom P ?
Berapakah bilangan elektron valen bagi atom P?
A 7
B 6
C 5
D 4
2 Which of the following graphs shows the temperature change against time when
naphthalene is cooled ?
Antara graf berikut yang manakah menunjukkan perubahan suhu melawan masa
apabila naftalena disejukkan?
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Temperature Temperature
A. B.
Time Time
Temperature Temperature
C. D.
Time Time
3 Diagram 2 shows the setup of apparatus to determine the empirical formula of an
oxide of metal.
Rajah 2 menunjukkan susunan radas untuk menentukan formula empirik
suatu oksida logam.
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Diagram 2
Rajah 2
Which of the following oxide of metal is suitable to be used in diagram 2?
Antara oksida logam berikut, yang manakah sesuai digunakan dalam Rajah 2 ?
A Zinc oxide
Zink oksida
B Magnesium oxide
Magnesium oksida
C Aluminium oxide
Aluminium oksida
D Lead (II) oxide
Plumbum(II) oksida
4 Which of the following is not matched correctly?
Antara berikut yang manakah tidak dipadankan dengan betul?
Substance Formula
Bahan Formula
A Sodium Na
Natrium
B Copper(II) sulphide CuS
Kuprum(II) sulfida
C Potassium oxide K2O
Kalium oksida
D Ammonium nitrate NH4(NO3)2
Ammonium nitrat
5 The following statement is about the arrangement of the elements in the Periodic
Table of Elements.
Pernyataan berikut adalah mengenai susunan unsur di dalam Jadual Berkala
Unsur.
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Elements are arranged in order of increasing atomic mass in The Periodic Table
Unsur-unsur disusun mengikut jisim atom menaik dalam Jadual Berkala
Which of the following scientists made the above statement?
Antara saintis berikut siapakah yang membuat pernyataan di atas?
A Newlends
B Meyer
C Mendeleev
D Dobereiner
6 Diagram 3 shows the Periodic Table of Elements. Which of the elements has the
highest electronegativity?
Rajah 3 menunjukkan Jadual Berkala Unsur. Unsur yang manakah yang
mempunyai keelektronegatifan yang paling tinggi?
A B
C D
Diagram 3
Rajah 3
7 Diagram 4 shows the electron arrangement of four elements W, X, Y and Z.
Which of these elements will react with chlorine atom to form a covalent
compound?
Rajah 4 menunjukkan susunan elektron bagi empat unsur W, X, Y dan Z. Unsur
yang manakah antara berikut akan bertindak balas dengan atom klorin untuk
membentuk sebatian kovalen?
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W X
Y
Z
Diagram 4
Rajah 4
A W and Y
W dan Y
B W and X
W dan X
C Y and Z
Ydan Z
D X and Z
X dan Z
8 An atom that donates an electron forms
Atom yang mendermakan elektron membentuk
A An anion
Suatu anion
B A cation
Suatu kation
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C An ionic bond
Suatu ikatan ion
D A covalent bond
Suatu ikatan kovalen
9 The Diagram 5 below shows the electron arrangement of a molecule of element
J.
Rajah 5 di bawah menunjukkan susunan elektron molekul bagi unsur J.
Diagram 5
Rajah 5
What is the position of element J in the Periodic Table of Elements?
Apakah kedudukan unsur J di dalam Jadual Berkala Unsur?
Group Period
A 2 15
B 2 18
C 15 2
D 18 2
10 Diagram 6 shows the set-up of the apparatus for electrolysis.
Diagram 6 menunjukkan susunan radas bagi elektrolisis.
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Diagram 6
Rajah 6
Which of the following compounds could be used as substance X?
Antara berikut, yang manakah boleh digunakan sebagai bahan X?
A Ethene, C2H4
Etana, C2H4
B Sodium chloride solution, NaCl
Natrium klorida, NaCl
C Chloromethane, CH3Cl
Klorometana, CH3Cl
D Ethyl ethanoate, CH3COOC2H5
Etil etanoat, CH3COOC2H5
11 What are the ions present in molten sodium chloride and sodium chloride
aqueous solution?
Apakah ion-ion yang wujud dalam leburan natrium klorida dan larutan akues
natrium klorida?
Molten sodiun chloride Sodium chloride aqueous
Leburan natrium klorida solution
Larutan akues natrium
klorida
A Na+ , H+, Cl-, OH- Na+ , H+, Cl- ,
B Na+, Cl- OH-, Cl-
C Na+, Cl- Na+, Cl- , H+ , OH-
D Na+, OH- Na+, Cl- , H+ , OH-
12 Lead(II) iodide solids do not conduct electricity because
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Pepejal plumbum(II) iodida tidak boleh mengalirkan arus elektrik kerana
A ions are not present
ion-ion tidak hadir
B the ions are not free to move
ion-ion tidak bergerak bebas
C lead(II) iodide consists of molecules
plumbum(II) iodide mengandungi molekul-molekul
D of the strong attraction of the atomic nucleus of the ions
tarikan kuat nukleus atom bagi ion-ion
13 Which of the following statement is TRUE about alkali?
Yang manakah antara pernyataan berikut BENAR tentang alkali?
A Alkali reacts with acid to form salt and water
Alkali bertindakbalas dengan asid untuk membentuk garam dan air
B Alkali shows a pH value less than 7
Alkali menunjukkan nilai pH kurang daripada 7
C. Alkali ionises in water to form hydroxonium ions
Alkali mengion di dalam air untuk membentuk ion hidroksonium
D. Alkali reacts with carbonates to release carbon dioxide
Alkali bertindakbalas dengan karbonat untuk membebaskan karbon
dioksida
14. Which of the following substances is acidic?
Antara bahan berikut yang manakah bersifat asid?
A. Ammonia
Ammonia
B. Potassium oxide
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Kalium oksida
C. Carbon dioxide
Karbon dioksida
D. Sodium hydroxide
Natrium hidroksida
15 Which particle causes an aqueous solution of ammonia to exhibit alkaline
properties?
Zarah yang manakah menyebabkan larutan akueus ammonia untuk
memperlihatkan sifat-sifat alkali?
A. H3O+
B. OH-
C. NH4+
D. NH3
16 Which of the following compounds is a soluble salt?
Antara sebatian berikut, yang manakah adalah garam terlarutkan?
A Lead(II) iodide
Plumbum(II) iodida
B Barium sulphate
Barium sulfat
C Calcium chloride
Kalsium klorida
D Magnesium carbonate
Magnesium karbonat
17 Solid X is heated to produce a residue that is brown when hot and yellow
when cold. Which of the following is most likely solid X?
Pepejal X dipanaskan dan menghasilkan baki yang berwarna perang bila
panas dan kuning bila sejuk. Yang manakah antara berikut mempunyai ciri-ciri
yang sama seperti pepejal X?
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12. SULIT 4541/1
A Zinc oxide C Magnesium chloride
Zink oksida Magnesium klorida
B Lead(II) oxide D Copper(II) carbonate
Plumbum(II) oksida Kuprum(II)karbonat
18 Which of the following shows the arrangement of the atoms in brass?
Antara berikut yang manakah menunjukkan susunan atom dalam loyang?
A C
B D
19 The body of the aeroplane shown in Diagram 7 below is made of alloy X
Rajah 7 menunjukkan badan kapal terbang yang diperbuat daripada aloi X.
Diagram 7
Rajah 7
What is alloy X?
Apakah aloi X?
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13. SULIT 4541/1
A Brass
Loyang
B Pewter
Piuter
C Bronze
Gangsa
D Duralumin
Duralumin
20 Which of these products is not a naturally occurring polymer?
Yang manakah di antara produk ini bukan polymer semulajadi?
A. Rubber
Getah
B. Silk
Sutera
C. Wool
Bulu
D. Nylon
Nilon
21 Atom of oxygen-18 has 8 electrons. How many neutrons does an atom of
oxygen-18 contain
Atom oksigen-18 mempunyai 8 elektron. Berapakah bilangan neutron bagi atom
oksigen-18?
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14. SULIT 4541/1
A 6
B 8
C 10
D 18
22 The diagram 8 shows the structure of atom X.
Rajah 8 menunjukkan struktur bagi atom X.
Diagram 7
Rajah 7
Diagram 8
Rajah 8
Which of the following statements are true?
Di antara pernyataan berikut yang manakah benar ?
I Atom X has 6 protons
Atom X mempunyai 6 proton
II Atom X has 4 valence electrons
Atom X mempunyai 4 elektron valens
III The electron arrangement of atom X is 2.4
Susunan electron atom X adalah 2.4
IV The nucleon number of atom X is 6
Nombor nukleon atom X ialah 6
A I and II only C I, III and IV only
B I, II and III only D II, III and IV only
23 The following shows the relative formula mass of several compounds.
Which is not true?
Berikut menunjukkan jisim formula relative bagi beberapa sebatian. Yang
manakah adalah tidak benar ?
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15. SULIT 4541/1
[Relative atomic mass : H,1; C,12; N,14; O,16; Mg,24; K,39]
Compound Relative formula mass
Sebatian Jisim formula relative
A CO2 44
B NH3 15
C K2O 94
D MgO 40
23 The formula of carbonate ion and nitrate ion is CO 32- and NO3- respectively. If the
formula of carbonate salt is J2CO3, then the formula of nitrate salt of J is
Formula bagi ion karbonat dan ion nitrat adalah CO 32- dan NO3-. Jika formula
bagi garan karbonat adalah J2CO3, Apakah formula garam nitrat bagi J
A JNO3 C J(NO3)2
B J2NO3 D J2(NO3)3
24 The diagram 9 below shows information about atom X and atom Y
Rajah 9 di bawah menunjukkan maklumat berkenaan atom X dan atom Y
79 81
X Y
35 35
Diagram 9
Rajah 9
Which of the following statements is true about atom X and Y?
Diantara pernyataan berikut yang manakah benar berkenaan atom X dan Y?
A They are different atoms
Kedua-duanya adalah atom yang berbeza
B They are a pair of isotopes
Mereka adalah pasangan isotop
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16. SULIT 4541/1
C They have five valence electrons
Mereka menpunyai lima valens elektron
D They are located in different groups of the Periodic Table
Mereke terletak dalam kumpulan yang berasingan dalam Jadual
Berkala
26 The table 1 shows the number of protons in elements K, L, M, and N.
Jadual 1 menunjukkan bilangan proton bagi bagi unsur K,L, M dan N
Element K L M N
Unsur
Number of
protons 5 7 15 17
Bilangan
proton
Table 1
Jadual 1
Which of the following pairs are classified in the same group?
Pasangan yang manakah berada dalam kumpulan yang sama?
A K and M
K dan M
B K and N
K dan N
C L and M
L dan M
D L and N
L dan N
27 Which of the following atomic structures represents the electron arrangement of
an element in Group 17?
Yang manakah antara struktur atom berikut mewakili susunan electron bagi
unsur dalam Kumpulan 17?
A. B. C. D.
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17. SULIT 4541/1
28 Which of the following compounds is an ionic compound?
Yang manakah di antara berikut adalah sebatian ion?
A. HCl
B. CH4
C. H2O
D. MgBr2
29 Diagram 10 shows two elements T and V. What types of chemical bond forms
between the elements T and V?
Rajah 10 menunjukkan dua unsur T dan V. Apakah jenis ikatan kimia yang
terbentuk di antara unsur T dan V?
12 16
T V
6 8
Diagram 10
Rajah 10
A Ionic bond
Ikatan ionik
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18. SULIT 4541/1
B Metallic bond
Ikatan logam
C Covalent bond
Ikatan kovalen
D Hydrogen bond
Ikatan hidrogen
30 The diagram 11 shows the apparatus that is used to electroplate iron nail with
copper.
Rajah 11 menunjukkan radas yang digunakan untuk menyadurkan sudu besi
dengan kuprum.
A
Paku besi
Kepingan
kuprum
Larutan kuprum(II)
sulfat
Diagram 11
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19. SULIT 4541/1
Rajah 11
What can be observed at the copper plate and the iron nail at the end of the
experiment?
Apakah yang dapat diperhatikan pada kepingan kuprum dan paku besi diakhir
eksperimen?
Copper plate Iron nail
Kepingan kuprum Paku besi
A Thinned Brown solids are deposited
Menipis Pepejal perang terenap
B Thickened Brown solids are deposited
Menebal pepejal perang terenap
C Thinned Gas bubbles are released
Menipis Gelembong gas terbebas
D Gas bubbles are released Brown solids are deposited
Gelembong gas terbebas Pepejal perang terenap
31 The diagram 12 shows a simple voltaic cell.
Rajah 12 menunjukkan satu sel ringkas
Kepingan zink
Kepingan kuprum
Diagram 12 Asid sulfurik cair
Rajah 12
The voltmeter shows a reading of 1.1 V. What is the possible reading of the
voltmeter if the zinc plate is replaced with a lead plate?
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20. SULIT 4541/1
Voltmeter menunjukkan bacaan 1.1V. Apakah bacaan yang akan didapati jika
kepingan zink digantikan dengan kepingan plumbum?
A 0.7 V C 1.2 V
B 1.1 V D 2.1 V
32 A nitric acid has a concentration of 1.5 mol dm-3. How many moles are there in 50
cm3 of the nitric acid?
Asid nitrik berkepekatan 1.5 mol dm-3. Berapakah bilangan mol dalam 50 cm3
asid nitrik?
A 0.03 mol
B 0.075 mol
C 0.3 mol
D 0.75 mol
33 Which of the following solutions have the same number of hydrogen ions, H +, as
in 50 cm3 of 0.1 mol dm-3 sulphuric acid, H2SO4?
Antara larutan berikut, yang manakah mempunyai bilangan ion hidrogen, H +,
sama seperti dalam 50 cm3 0.1 mol dm-3 asid sulfurik, H2SO4?
I 100 cm3 of 0.1 mol dm-3 hydrochloric acid, HCl
100 cm3 0.1 mol dm-3 asid hidroklorik, HCl
II 50 cm3 of 0.2 mol dm-3 nitric acid, HNO3
50 cm3 0.2 mol dm-3 asid nitrik, HNO3
III 100 cm3 of 0.1 mol dm-3 ethanoic acid, CH3COOH
100 cm3 0.1 mol dm-3 asid etanoik, CH3COOH
IV 50 cm3 of 0.1 mol dm-3 phosphoric acid, H3PO4
50 cm3 0.1 mol dm-3 asid fosforik, H3PO4
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21. SULIT 4541/1
A I and II only
I dan II sahaja
B I and III only
I dan III sahaja
C III and IV only
III dan IV sahaja
D I, II and III only
I, II dan III sahaja
34 Which of the following ions form a precipitate that dissolve in excess ammonia
solution?
Antara ion-ion berikut, yang manakah akan menghasilkan mendakan yang larut
dalam larutan ammonia berlebihan?
I Zn2+
II Al3+
III Pb2+
IV Cu2+
A I and IV only
I dan IV sahaja
B II and IV only
II dan IV sahaja
C I and III only
I dan III sahaja
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22. SULIT 4541/1
D I, II and III only
I, II dan III sahaja
35 Which of the following solid salts is suitable to be prepared by the precipitation
method?
Garam yang manakah sesuai disediakan melalui kaedah pemendakan ganda
dua?
A Zinc sulphate C Potassium carbonate
Zink sulfat kalium karbonat
B Magnesium nitrate D Lead(II) iodide
Magnesium nitrat Plumbum(II)iodida
36 The diagram 13 is about X3+ ion.
Pernyataan berikut adalah berkaitan ion X3+ .
X3+ ion has 14 neutrons and 10
electrons.
Ion X3+ mempunyai 14 neutron dan 10
elektron
Diagram 13
Rajah 13
Which of the following proton numbers and nucleon numbers shows for atom X?
Yang manakah antara berikut menunjukkan nombor proton dan nombor nukleon
bagi atom X ?
Proton number Nucleon number
Nombor proton Nombor nukleon
A 10 14
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23. SULIT 4541/1
B 10 27
C 13 14
D 13 27
37 Copper (II) carbonate decomposed when heated strongly according to the
chemical equation.[Relative atomic mass: Cu, 64; O, 16; C, 12]
Kuprum(II)carbonat terurai apabila dipanaskan mengikut persamaan kimia
berikut.[Jisim atom relatif: Cu, 64; O, 16; C, 12]
CuCO3 CuO + CO2
What is the mass of copper(II)oxide formed when 24.8g of copper(II) carbonate is
burnt completely?
Apakah jisim kuprum(II)oksida yang terbentuk apabila 24.8 kuprum(II)karbonat
terbakar selengkapnya?
A. 8.0 g
B. 16.0 g
C. 24.8 g
D. 160 g
38 Compound P has a composition of 34.46 % of element M and the rest is
element X . What is the empirical formula of compound P?
[ Relative molecular mass of M =56; X=35.5 ]
Sebatian P mempunyai komposisi 34.46% unsur M dan bakinya unsur X.
Apakah formula empirik bagi sebatian P?
[ Jisim molekul relatif M =56; X =35.5]
A M 2X
B MX2
C MX3
D M2 X 3
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24. SULIT 4541/1
39 he diagram 14 shows a syringe that contains X g of carbon dioxide at room
temperature.
Rajah 14 menunjukkan picagari yang mengandungi X g karbon dioksida pada
suhu bilik.
/60 cm3 karbon dioksida
Diagram 14
Rajah 14
What is the value of X?
Apakah nilai X?
[Relative atomic mass: C = 12; O = 16; Molar volume = 24 dm 3 at room
conditions]
A 0.11 g C 1.1 g
B 0.22 g D 2.2 g
40 Referring to the Diagram 15, what is the formula of the compound formed between
the elements V and S?
Merujuk kepada Rajah 15, apakah formula yang terbentuk di antara unsur V dan
S?
1 2 13 14 15 16 17 18
S
V
Diagram 15
Rajah 15
A VS
B VS2
C V2S3
D V3S2
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41 Atom of element X has a proton number of 13. Where is X located in the Periodic
Table of Elements?
Atom unsur X mempunyai nombor proton 13. Dimanakah kedudukan X di
dalam Jadual Berkala Unsur?
Group Period
Kumpulan Kala
A 3 2
B 3 3
C 13 2
D 13 3
42 The following statements are about atom G and J.
Pernyataan berikut adalah mengenai atom G dan J.
• Electron arrangement of atom G is 1
Susunan elektron atom G ialah 1
• Proton number of atom J is 6
Nombor proton atom J ialah 6
What is the formula of the compound formed between G and J?
Apakah formula bagi sebatian yang terbentuk antara G dan J?
A JG4
B JG2
C JG3
D JG
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43 Diagram 16 shows the standard representation of two elements, H and J.
Diagram 16 di bawah menunjukkan perwakilan unsur bagi elemen, H dan J.
166 356
H 176
J
8
Among the following, which one is true about the two elements?
Di antara berikut, yang mana satu benar tentang kedua-dua elements?
A. H is a metallic element.
H adalah elemen logam
B. The electron arrangement of J is 2.8.7
Susunan electron bagi J adalah 2.8.7
C. The bond formed between H and J is ionic bond
Ikatan yang terbentuk di antara H dan J adalah ikatan ion
D. The formula of the compound formed between H and J is H 2J
Formula sebatian yang terbentuk di antara H dan J adalah H 2J
44 Table 2 shows the voltages and negative terminals of three cells.
Jadual 2 menunjukkan bacaan nilai voltan dan terminal negative bagi tiga sel.
Electrodes used Voltage (V) Negative
terminal
P and Q 2.5 Q
Q and R 3.0 Q
R and S 0.2 R
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Which of the following is the correct arrangement of the metals in the
electrochemical series starting with the most electropositive electrode?
Yang manakah di antara berikut susunan logam yang betul mengikut siri
elektrokimia bermula dengan elektrod yang lebih elektropositif.
A. P,Q,R,S
B. Q,P,R,S
C. R,S,Q,P
D. S,R,P,Q
45 Diagram 17 shows the set-up of apparatus for electrolysis.
Diagram 17 menunjukkan susunan radas untuk elektrolisis.
X Y
2 moldm-3 hydrochloric
acid -3
2 2 moldm asid hidroklorik
moldm asid
hidroklorik
Carbon electrodes
Elektrod karbon
A
Diagram 17
Rajah 17
What test would you use to confirm the product formed in test tube X after
electrolysis has been carried out for some time?
Ujian apakah yang digunakan untuk mengesahkan hasil yang terbentuk dalam
tabung uji X selepas elektrolisis dijalankan?
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28. SULIT 4541/1
A. Lime water
Air kapur
B. A lighted wooden splinter
Kayu uji bernyala
C. A glowing splinter
Kayu uji berbara
D. A moist litmus paper
Kertas litmus lembap
46 The diagram 18 shows the arrangement of apparatus to investigate the titration
of sodium hydroxide solution with hydrochloric acid.
Rajah 18 menunjukkan susunan radas untuk mengkaji proses pentitratan
diantara natrium hidroksida dengan asid hidroklorik
buret
Kaki
retot Asid hidroklorik
25 cm3 0.5 moldm-3
Larutan natrium hidroksida
Jubin
putih +
Penunjuk fenolftalein
What is the total volume of solution for the mixture in the conical flask at the point
of titration?
Apakah jumlah isipadu campuran dalam kelalang kon pada takat akhir
pentitratan?
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29. SULIT 4541/1
A 25 cm3
B 40 cm3
C 50 cm3
D 55 cm3
47 Diagram 19 shows the setup of apparatus for neutralisation of potassium
hydroxide solution with sulphuric acid.
Rajah 19 menunjukkan susunan radas bagi proses penitratan larutan
Kalium hidroksida dengan asid sulfurik.
Diagram 19
Rajah 19
At end point ,the volume of sulphuric acid used is 10.40cm 3 , what is the
concentration of sulphuric acid?
Pada takat akhir, isipadu asid sulfurik yang digunakan ialah 10.40cm 3, apakah
kepekatan asid sulfurik ?
A 0.08 mol dm-3
B 0.15 mol dm-3
C 0.24 mol dm-3
D 0.34 mol dm-3
48 The table 3 shows the results of the tests carried out on an aqueous solution.
30

30. SULIT 4541/1
Jadual 3 di bawah menunjukkan keputusan ujian yang dijalankan ke atas larutan
akues.
Test Observation
Ujian Pemerhatian
Excess sodium hydroxide The white precipitate that is formed dissolves
solution is added in the excess sodium hydroxide solution
Larutan natrium hidroksida Mendakan putih yang terbentuk larut di dalam
berlebihan ditambah larutan natrium hidroksida berlebihan
Excess ammonia solution is The white precipitate that is formed does not
added dissolve in the excess ammonia solution
Larutan ammonia berlebihan Mendakan putih yang terbentuk tidak dapat
ditambah melarut di dalam larutan ammonia berlebihan
Potassium chloride solution is A white precipitate is formed
added Mendakan putih terbentuk
Larutan kalium klorida
ditambah
Table 3
Jadual 3
Which of the following ions is most likely present in the solution?
Yang manakah di antara ion berikut hadir di dalam larutan tersebut?
A. Zn2+ C. Mg2+
B. Al3+ D. Pb2+
49 Gas X has the following properties.
• Colourless
Gas X mempunyai ciri-ciri berikut:
Tidak berwarna
• Fumes in moist air
Wasap dalam udara lembap
• 31
Neutralizes sodium hydroxide
Meneutralkan natrium hidroksida

31. SULIT 4541/1
Gas X is
Gas X is
Gas X adalah
A. Ammonia
Ammonia
B. Chloride
Klorida
C. Carbon dioxide
Karbon dioksida
D. Hydrogen chloride
Hydrogen klorida
32

32. SULIT 4541/1
50 Diagram 20 shows the steps involved in the manufacture of sulphuric acid.
Rajah 20 menunjukkan langkah-langkah yang terlibat dalam pembuatan asid
sulfurik.
P Q
Sulphur Sulphur dioxide
sulfur Sulphur dioksida Sulphur
Trioxide
Sulphur
Sulphuric acid S R trioksida
Asid sulfurik Oleum
Diagram 20
Rajah 20
Which of the following steps requires the use of a catalyst?
Yang manakah di antara langkah berikut memerlukan penggunaan mangkin?
A. P
B. Q
C. R
D. S
33