excel form 4 chemistry paper 1
TRANSCRIPT
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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
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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
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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)
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
Colourless bubbles gas released
Gelembung gas tanpa warna
dibebaskan
D
Mass decreased
Jisim berkurangan
Colourless bubbles gas released
Gelembung gas tanpa warna
dibebaskan
V
Zinc plateKe in an zink
Magnesium stripJalur magnesium
Sodium nitrate solutionLarutan natrium nitrat
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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
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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
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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
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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
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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
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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
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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
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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
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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.
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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
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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