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SULIT 4541/1
[Lihat sebelah
JABATAN PELAJARAN MELAKA
BUKIT BARU, MELAKA
PEPERIKSAAN AKHIR TAHUN
TINGKATAN 4 2011
CHEMISTRY
Kertas 1
Oktober 2011
4541/1
1 ¼ jam Satu jam lima belas minit
JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU
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. Rajah tidak dilukis mengikut skala kecuali dinyatakan
6. Anda dibenarkan menggunakan kalkulator saintifik yang tidak boleh diprogramkan
Kertas soalan ini mengandungi 25 halaman bercetak
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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 menukarkan jawapan, padamkan tanda yang telah dibuat.
Kemudian hitamkan jawapaan yang baru.
6. Rajah yang mengiringi soalan tidak dilukis mengikut skala kecuali dinyatakan.
7. Anda dibenarkan menggunakan kalkulator saintifik yang tidak boleh diprogramkan
Question 1 to Question 50 are followed by four options A, B, C or D.
Choose the best option for each question and blackened the corresponding space on
the objective answer sheet.
Bagi Soalan 1 hingga Soalan 50, tiap-tiap soalan diikuti oleh empat pilihan jawapan A, B,
C dan D. Pilih satu jawapan yang terbaik bagi tiap-tiap soalan dan hitamkan ruangan yang
sepadan pada kertas jawapan objektif anda
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1. Which of the following statements best describes ‘Chemistry’?
Antara pernyataan berikut, yang manakah terbaik menerangkan ‘kimia’ ?
A Chemistry is the study gained through scientific investigations.
Kimia ialah kajian diperoleh melalui penyiasatan saintifik.
B Chemistry is a systemic study of natural phenomena.
Kimia ialah kajian sistemik bagi fenomena semulajadi.
C Chemistry is the study of the composition, structure, properties and interactions of
matter.
Kimia ialah kajian mengenai komposisi, struktur, sifat-sifat dan interaksi antara
jirim.
D Chemistry is an art of transforming metals.
Kimia ialah satu seni perubahan logam.
2. There are many industries involve chemistry include …
Terdapat banyak industri melibatkan kimia termasuk …
I Petroleum industry
Industri petroleum
II Nutritional industry
Industri pemakanan
III Mining industry
Industri perlombongan
IV Paint making industry
Industri membuat cat
A I and II only
I dan II sahaja
B I, II and III only
I, II dan III sahaja
C I, II and IV only
I, II dan IV sahaja
D I, II, III and IV
I, II, III dan IV
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3 Which of the following is the best solution for an arteriosclerosis patient?
Antara berikut yang manakah penyelesaian terbaik bagi pesakit arteriosklerosis?
A take food rich in calcium
makan makanan yang kaya dengan kalsium
B take food rich in iron
makan makanan yang kaya dengan zat besi
C reduce fatty food intake
kurangkan mengambil makanan berlemak
D reduce sugary food intake
kurangkan mengambil makanan bergula
4 Which of the following substance exists as atoms?
Antara bahan berikut, yang manakah wujud sebagai atom?
A Emas
Gold
C Water
Air
B Nitrogen
Nitrogen
D Chlorine
Klorin
5 The melting point of a substance X is -2o
C and its boiling point is 75o
C. What is the
physical state of substance X at -5o
C and 85o
C?
Takat lebur bahan X ialah -2o
C dan takat didihnya ialah 75o
C. Apakah keadaan fizikal
bahan X pada suhu -50
C dan 850
C?
At -5o
C
Pada -5o
C
At 85o
C
Pada 85o
C
A Solid
Pepejal
Gas
Gas
B Solid
Pepejal
Liquid
Cecair
C Liquid
Cecair
Gas
Gas
D Gas
Gas
Solid
Pepejal
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6 Diagram 1 below shows an atomic model.
Rajah 1 menunjukkan suatu model atom.
Diagram 1
Rajah 1
Which of the following is true about Diagram 1?
Antara penyataan berikut yang manakah benar tentang Rajah 6?
A The atomic model above was proposed by Neils Bohr.
Model atom di atas dicadangkan oleh Neils Bohr.
B The atom is a sphere of positive charge which contains a few electrons
Atom merupakan sfera bercas positif yang mengandungi sedikit elektron.
C The electrons in an atom move in shells around the nucleus.
Elektron dalam atom bergerak dalam petala-petala yang mengelilingi nukleus.
D The electrons move in a space that is larger than the space occupied by the nucleus.
Electron bergerak dalam ruang yang lebih besar daripada ruang yang ditempati
oleh nukleus.
7 This isotope produces gamma radiation to kill cancer cells. What is the isotope?
Isotop ini menghasilkan sinar gamma untuk membunuh sel kanser. Apakah isotop ini?
A Iodine-131
Iodin-131
B Cobalt-60
Kobalt-60
C Sodium-24
Natrium-24
D Carbon-12
Karbon-12
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8 Diagram 2 shows the symbol of fluorine atom.
Rajah 2 menunjukkan simbol bagi atom fluorin
19
F
9
Diagram 2
Rajah 2
Which of the following is true based on the symbol in Diagram 2.
Antara berikut yang manakah benar berdasarkan simbol dalam Rajah 2.
Proton number
Nombor proton
Nucleon number
Nombor nukleon
Number of electron
Bilangan elektron
A 9 19 9
B 9 19 19
C 9 10 9
D 19 9 9
9 Diagram 3 shows the electron arrangement of atom X.
Rajah 3 menunjukkan susunan elektron bagi atom X.
Diagram 3
Rajah 3
How many valence electrons are there in the atom of X?
Berapakah bilangan elektron valens yang terdapat dalam atom X?
A 2 C 5
B 3 D 7
X
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10 Diagram 4 is a graph which shows the cooling curve for gas X.
Rajah 4 ialah satu graf yang menunjukkan lengkung penyejukan bagi gas X.
Diagram 4
Rajah 4
Which of the following statements is true?
Antara pernyataan yang berikut, manakah benar?
A From point P to point Q, kinetic energy increases as temperature decreases.
Dari titik P ke titik Q, tenaga kinetik bertambah apabila suhu menurun.
B From point Q to point R, forces of attraction between particles become weak
Dari titik Q ke titik R, semua daya tarikan antara zarah-zarah menjadi lemah.
C At point R, all the gas X has completely melted
Pada titik R, semua gas X telah melebur keseluruhannya.
D From point R to point S, heat is released to the surroundings
Dari titik R ke titik S, haba dibebaskan ke persekitaran
11 The following equation represents the chemical process to extract aluminium from
aluminium oxide.
Persamaan dibawah menunjukkan proses kimia untuk mengekstrak aluminium dari
aluminium oksida
2 Al2O3 → 4 Al + 3 O2
What is the volume of oxygen gas evolved when 204 g of aluminium oxide is used in the
extraction ?
Berapakah isipadu gas oksigen yang terbebas apabila 204 g aluminium oksida digunakan
di dalam proses ini?
[ Relative atomic mass ; O = 16 ; Al = 27, 1 mol of gas occupies 24.0 dm3
at room
temperature ]
[Jisim atom relatif ; O = 16, Al = 27, 1 mol gas menempati 24.0 dm3
pada suhu bilik.]
A 36 dm3
C 48 dm3
B 144 dm3
D 72 dm3
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12 Diagram 5 shows the electron arrangement of a molecule of compound XY2. ( Only
the valence electrons are shown ).
Rajah 5 menunjukkan susunan elektron bagi molekul sebatian XY2 (hanya
elektronvalens yang ditunjukkan).
Diagram 5
Rajah 5
X and Y could be :
X dan Y mungkin :
X Y
A Carbon Oxygen
B Carbon Chlorine
C Carbon Hydrogen
D Chlorine Carbon
13 Which of the following represents the electron arrangement of a noble gas?
Antara berikut, yang manakah mewakili susunan elektron gas adi?
A C
B D
R
R
R
R
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14 Diagram 6 shows the set-up of the apparatus to determine the empirical formula of substance Y.
Rajah 6 menunjukkan susunan radas untuk menentukan formula empirik bahan Y.
Diagram 6
Rajah 6
What could be substance Y ?
Apakah mungkin bahan Y?
I Copper(II) oxide
Kuprum(II) oksida
II Magnesium oxide
Magnesium oksida
III Potassium oxide
Kalium oksida
IV Lead (II) oxide
Plumbum (II) oksida
A I and IV only
I and IV sahaja
B II and III only
II and III sahaja
C III and IV only
III and IV sahaja
D I, II, III and IV
I, II, III and IV
15 Table 1 shows the mass of element P and Q which react with each other.
Jadual 1 menunjukkan jisim bagi unsur P dan Q yang bertindak balas.
Element
Unsur
P Q
Mass(g)
Jisim(g)
0.32 0.36
Table 1
Jadual 1
What is the empirical formula for the substance formed?
Apakah formula empirik bagi sebatian yang terbentuk?
[Relative atomic mass :P = 64 ; Q = 35.5]
[ Jisim atom relatif: P =64; Q = 35.5]
A PQ C PQ4
B PQ2 D P2Q3
SubstanceY
Bahan Y
Hydrogen gas
Gas hidrogen
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16 2.7 g of element X reacts with 2.4 g element Y to form a substance with empirical formula
of X2Y3. What is the atomic mass of Y?
2.7 g unsur X bertindak balas dengan 2.4 g unsur Y untuk membentuk sebatian dengan
formula empirik X2Y3. Berapakah jisim atom relatif bagi Y?
(Relative atomic mass : X = 27)
( Jisim atom relatif : X = 27)
A 8 C 24
B 16 D 31
17 The chemical symbol of an element T is as shown :
Simbol unsur T ditunjukkan seperti di bawah:
What would be the electron arrangement of the ion formed by an atom of T ?
Apakah susunan elektron bagi ion yang terbentuk oleh atom T?
A 2.8
B 2.8.2
C 2.8.8
D 2.8.8.8
18 Which of the following elements are located in group 17 of the Periodic Table?
Manakah antara unsur-unsur berikut diletakkan di dalam kumpulan 17 Jadual Berkala?
A Neon and Argon
Neon dan Argon
B Lithium and Potassium
Litium dan Kalium
C Iodine and Bromine
Iodin dan Bromin
D Nitrogen and Phosphorus
Nitrogen dan Fosforus
24
T
12
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19 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.
Which of the following scientist made the above statement?
Antara saintis berikut siapakah yang membuat pernyataan di atas?
A Newlands
B Meyer
C Mendeleev
D Dobereiner
20 Table 2 shows the proton number and number of electrons of several particles.
Which of the following particles is an anion?
Jadual 2 menunjukkan nombor proton dan bilangan elektron bagi beberapa zarah.
Manakah di antara berikut merupakan anion?
Particles
Zarah
Proton Number
Nombor Proton
Number of electrons
Bilangan elektron
P 3 2
Q 9 10
R 11 11
S 20 18
Table 2
Jadual 2
A P
B Q
C R
D S
“Elements are arranged in order of increasing proton number in The
Periodic Table. Unsur-unsur disusun mengikut nombor proton menaik
dalam Jadual Berkala.”
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21 Table 3 shows the elements in Period 3 of the Periodic Table of elements. The elements can
react with oxygen to form oxides.
Jadual 3 menunjukkan unsur-unsur Kala 3 dalam Jadual Berkala Unsur. Unsur-unsur
tersebut bertindak balas dengan oksigen membentuk oksida.
Element
Unsur
Na Mg Al Si P S Cl
Table 3
Jadual 3
Which of the following element forms amphoteric oxide?
Antara berikut unsur manakah membentuk oksida amfoterik?
A S C Si
B P D Al
22 The number of neutrons of atom X is 20. If the number of electrons of ion X2+
is 18, what
is the relative atomic mass of X?
Bilangan neutron bagi suatu atom X ialah 20. Jika bilangan elektron ion X2+
ialah 18,
berapakah jisim atom relatif X?
A 18 C 38
B 20 D 40
23 Which of the following is true about elements in the Periodic Table?
Antara berikut yang manakah benar tentang unsur-unsur dalam Jadual Berkala?
A The metallic properties increases from left to right across a period
Sifat kelogaman bertambah apabila merentasi Jadual Berkala dari kiri ke kanan
B Elements of the same group have the same physical properties
Unsur dalam kumpulan yang sama mempunyai sifat fizik yang sama
C Group 18 elements have low melting and boiling points
Unsur kumpulan 18 mempunyai takat lebur dan takat didih yang rendah
D Group 17 elements exist naturally as monoatoms
Unsur kumpulan 17 wujud semulajadi sebagai monoatom
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24 What happens to a sodium atom when chlorine combines with sodium?
Apakah yang berlaku kepada atom natrium apabila klorin berpadu dengan natrium?
A Accepts an electron
Menerima satu elektron
B Donates an electron
Menderma satu elektron
C Accepts two electrons
Menerima dua elektron
D Shares a pair of electrons
Berkongsi sepasang elektron
25 Sodium and sulphur have the proton number 11 and 16 respectively. They react to form
sodium sulphide. Which of the following statements are true?
Natrium dan sulfur masing-masing mempunyai nombor proton 11 dan 16. Mereka
bertindakbalas membentuk natrium sulfida. Antara pernyataan berikut, yang mana adalah
benar?
I A sodium atom donates an electron to form a sodium ion
Satu atom natrium menderma satu elektron untuk membentuk ion natrium
II A sodium atom donates two electrons to the sulphur atom
Satu atom natrium menderma dua elektron kepada atom sulfur
III A sulphur atom receives two electrons to form a sulphide ion
Satu atom sulfur akan menerima dua elektron untuk membentuk ion sulfida
IV Sodium and sulphur combine to form an ionic compound
Natrium dan sulfur bergabung untuk membentuk sebatian ion.
A I and IV only
I dan IV sahaja
B I, II and III only
I, II dan III sahaja
C I, III and IV only
I, III dan IV sahaja
D II, III and IV only
II, III dan IV sahaja
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26 Table 4 shows the electron arrangement of atoms G, H, J and K
Jadual 4 menunjukkan susunan elektron bagi atom G,H, J dan K
Atom G H J K
Electron arrangement
Susunan elektron
1 2.5 2.8.2 2.8.8.1
Table 4
Jadual 4
Which of the following pairs of elements can combine to form a covalent compound?
Yang manakah antara pasangan unsur-unsur berikut boleh membentuk sebatian kovalen?
A G and H
B H and J
C G and K
D H and K
27 Which of the following set of apparatus is the most suitable to be used in electrolysis of
copper(II) sulphate solution?
Antara susunan radas yang berikut, yang manakah paling sesuai digunakan dalam proses
elektrolisis larutan kuprum(II) sulfat?
A B
C D
Carbon rod
Rod karbon
Copper(II)
sulphate solution
Larutan
kuprum(II) sulfat
Carbon rod
Rod karbon
Copper(II)
sulphate solution
Larutan
kuprum(II) sulfat
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28 Table 5 contains information on the melting points and boiling points of substances P, Q, R
and S.
Jadual 5 mengandungi maklumat tentang takat lebur dan takat didih bagi bahan-bahan
P,Q,R dan S
Substance
Bahan
Melting point (ºC)
Takat lebur (ºC)
Boiling point (ºC)
Takat didih (ºC)
Electrical
conductivity
in molten
state
P -30 174 Cannot conduct
Q 43 182 Cannot conduct
R 119 444 Can conduct
S 688 1100 Can conduct
Table 5
Jadual 5
Which of the following classifications of substances P, Q, R and S is correct?
Antara pengkelasan berikut, yang manakah benar bagi bahan P, Q, R dan S?
Ionic compound
Sebatian ion
Covalent compound
Sebatian kovalen
A P and Q R and S
B R and S P and Q
C P, Q and R S
D S P
29 What is the percentage of nitrogen by mass in ammonium nitrate, NH4NO3?
Apakah peratus nitrogen dalam ammonium nitrat NH4NO3 mengikut jisim?
[ Relative atomic mass: H = 1, N = 14 ,O = 16]
[ Jisim atom relatif : H = 1, N = 14, O = 16]
A 17.50 %
B 21.21 %
C 35.00 %
D 53.85 %
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30 Aqueous sodium chloride solution is an electrolyte because it has
Larutan natrium klorida berair ialah sejenis elektrolit kerana ia mempunyai
A Free moving ions
Ion yang bebas bergerak
B Free moving electrons
Elektron yang bebas bergerak
C Free moving atom
Atom yang bebas bergerak
D Free moving molecules
Molekul yang bebas bergerak
31 Diagram 7 shows a chemical cell.
Rajah 7 menunjukkan sebuah sel kimia.
Diagram 6
Diagram 7
Rajah 7
Which of the following is true?
Di antara berikut, yang manakah adalah benar?
Metal X/Y
Logam X/Y
Negative Terminal
Terminal negatif
A Iron/Zinc
Ferum/Zink
Iron
Ferum
B Iron/Aluminium
Ferum/Aluminium
Iron
Ferum
C Zinc/Copper
Zink/Kuprum
Zinc
Zink
D Magnesium/Aluminium
Magnesium/Aluminium
Aluminium
Aluminium
Y plate
Plat Y
Electrolyte
Elektrolit
V
X plate
Plat X
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32 Diagram 8 shows the set–up of apparatus of a chemical cell.
Which of the following are not true of a chemical cell?
Rajah 8 menunjukkan susunan radas suatu sel kimia.
Antara berikut yang manakah tidak benar mengenai sel kimia?
Diagram 8
Rajah 8
I The electrodes are of the same metal.
Elektrod-elektrod adalah logam yang sama.
II The electrodes are of different metals
Elektrod-elektrod adalah logam yang berlainan.
III Liquid H is an electrolyte.
Cecair H ialah sejenis elektrolit.
IV Electrical energy change to chemical energy
Tenaga elektrik bertukar kepada tenaga kimia
A I and III only
B I and IV only
C II and IV only
D I, III and IV only
33 Which of the following substances is acidic?
Antara bahan berikut yang manakah bersifat asid?
A Ammonia
Ammonia
B Potassium oxide
Kalium oksida
C Carbon dioxide
Karbon dioksida
D Sodium hydroxide
Natrium hidroksida
Electrodes
Elektrod
Liquid H
Cecair H
V
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34 It is discovered that a compound with formula AB dissolves in water. What inference can
you make about the compound ?
Didapati satu sebatian dengan formula AB larut dalam air. Apakah inferens yang boleh
dibuat tentang sebatian itu?
A It is a covalent compound
Merupakan sebatian kovalen
B The compound ionizes in water
Sebatian mengion dalam air
C The compound will dissolve in an organic solvent
Sebatian yang larut dalam pelarut organik
D The intermolecular forces between the particles are very weak
Daya antara molekul pada zarah-zarah adalah sangat lemah
35 During the electroplating of an iron key with copper, which of the following should be
done?
Semasa menyadurkan kunci besi dengan kuprum, yang manakah antara berikut perlu
dilakukan?
I The iron key should be made the cathode
Kunci besi perlu dijadikan katod
II Molten copper is used as the electrolyte
Kuprum lebur dijadikan elektolit
III An aqueous solution of copper (II) sulphate is made the electrolyte
Larutan berair kuprum (II) sulfat dijadikan elektrolit
IV Two copper plates should be used as electrodes
Dua kepingan kuprum digunakan sebagai elektrod
A I and III only
B II and IV only
C I, II and IV only
D I, III and IV only
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36 Diagram 9 shows the set-up of the apparatus of an electrolytic cell.
Rajah 9 menunjukkan susunan radas bagi satu sel elektrolisis.
Which of the following half-equations represents the reaction that occurred at electrode Q?
Antara persamaan setengah berikut, yang manakah mewakili tindak balas yang berlaku di
elektrod Q?
A Na+
+ e-
→ Na
B 2H+
+ 2e-
→ H2
C 2Cl-
→ Cl2 + 2e-
D 4OH-
→ O2 + 2H2O + 4e-
37 Which of the following equations does not involve neutralisation?
Antara persamaan kimia berikut yang manakah tidak melibatkan peneutralan?
A 2HCl (aq) + MgO(s) MgCl2(aq) + H2O(l)
B H2SO4(aq) + BaCl2(aq) BaSO4(s) + 2HCl(aq)
C HNO3(aq) + NaHCO3(s) NaNO3(aq) + CO2(g) + H2O(l)
D HCl(aq) + NH3(aq) NH4Cl(aq)
Diagram 9
Rajah 9
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38 Diagram 10 below shows the set-up of apparatus for electrolysis.
Rajah 10 di bawah menunjukkan susunan radas untuk elektrolisis.
Diagram 10
Rajah 10
Which of the following substance could light up the bulb?
Antara bahan berikut, yang manakah boleh menyalakan mentol?
A Potassium chloride solution
Larutan kalium klorida
B Glucose solution
Larutan glukosa
C Magnesium oxide
Magnesium oksida
D Tetrachloromethane solution
Larutan tetraklorometana
39 Table 6 shows the degree of dissociation of four solutions of alkalis which have the same
concentration.
Jadual 6 di bawah menunjukkan darjah penceraian empat larutan alkali yang sama
kepekatan.
Solution
Larutan
Degree of dissociation
Darjah penceraian
W Low
Rendah
X Medium
Sederhana
Y High
Tinggi
Z Very high
Sangat tinggi
Table 6
Jadual 6
Which solution has the highest pH value?
Larutan yang manakah mempunyai nilai pH yang paling tinggi?
A W C Y
B X D Z
Substance
bahan
s
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SULIT
40 Diagram 11 shows two electrolytic cells which use two different type of electrodes, cell A
uses carbon electrode while cell B uses copper electrode.
Rajah 11 menunjukkan dua sel elektolisis yang mana menggunakan dua jenis elektrod yang
berlainan. Sel A mengunakan elektrod karbon manakala sel B mengunakan elektrod
kuprum.
Ce
Cell A Cell B
Diagram 11
Rajah 11
What are the half equation that represented the reaction at anode for both cells?
Apakah setengah persamaan yang mewakili tindak balas di anod pada kedua-dua sel?
Cell A
Sel A
Cell B
Sel B
A 4OH-
→ 2H2O + O2 + 4e-
Cu2+
+ 2e-
→ Cu
B 4OH-
→ 2H2O + O2 + 4e-
Cu → Cu2+
+ 2e-
C Cu2+
+ 2e-
→ Cu 4OH-
→ 2H2O + O2 + 4e-
D Cu → Cu2+
+ 2e-
4OH-
→ 2H2O + O2 + 4e-
41 What is the mass of sodium hydroxide, NaOH which is required to prepare 250 cm3
sodium
hydroxide solutions with a concentration of 100 gdm-3
?
[Relative atomic mass: Na = 23; O = 16; H = 1]
Berapakah jisim natrium hidroksida, NaOH yang diperlukan untuk menyediakan 250 cm3
larutan natrium hidroksida dengan kepekatan 100 gdm-3
?
[ Jisim atom relatif Na = 23; O = 16; H = 1]
A 25g C 20g
B 35g D 40g
Copper(II)
sulphate
solution
Larutan
kuprum (II)
sulfat
Copper
Electrode
Elektrod
kuprum
Carbon
Electrode
Elektod
karbon
SULIT 22 4541/1
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© 2011 Hak Cipta Jabatan Pelajaran Melaka [Lihat sebelah
SULIT
42 50.0 cm3
of 0.4 moldm-3
potassium hydroxide solution, KOH is titrated with sulphuric acid,
H2SO4. What is the volume of 1.0 moldm-3
sulphuric acid which is needed to neutralise this
potassium hydroxide solution?
50.0 cm3
larutan kalium hidroksida, KOH 0.4 moldm-3
dititratkan dengan asid sulfurik,
H2SO4. Berapakah isipadu asid sulfurik 1.0 moldm-3
yang diperlukan untuk meneutralkan
larutan kalium hidroksida ini?
A 10.0 cm3
C 40.0 cm3
B 20.0 cm3
D 50.0 cm3
43 Which of the statements are true about a weak alkali?
Antara pernyataan berikut, yang manakah benar tentang alkali lemah?
I It dissociates partially into hydroxide ions in water
Ia terurai separa kepada ion hidroksida di dalam air
II Its pH value is higher than that of sodium hydroxide
Nilai pH nya adalah lebih tinggi daripada nilai pH natrium hidroksida
III It has low OH-
ion concentration
Ia mempunyai kepekatan ion hidroksida yang rendah
IV Most of its molecules remain unchanged in the water
Kebanyakan molekulnya kekal tidak berubah di dalam air
A I and II only
B I, II and III only
C I, III and IV only
D II, III and IV only
44 The formula for a sulphate ion is SO4
2-
and for a nitrate ion is NO3
-
. If the formula of the
sulphate salt of M is MSO4, what is the formula of nitrate salt of M?
Formula bagi sulfat ion adalah SO4
2-
dan bagi nitrat ion adalah NO3
-
. Jika formula bagi
garam M sulfat adalah MSO4, apakah formula bagi garam M nitrat?
A MNO3
B M2NO3
C M(NO3)2
D M(NO3)3
SULIT 23 4541/1
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SULIT
45 The following is chemical equation for a reaction.
Berikut ialah persamaan kimia bagi satu tindak balas.
CaCO3 + 2HNO3 Ca(NO3)2 + H2O + CO2
Which of the following are the products?
Antara berikut, yang manakah hasil tindak balas?
A H2O and CO2
B HNO3 and CO2
C CaCO3 and HNO3
D Ca(NO3)2, H2O and CO2
46 Which of the following salts can be prepared by using double decomposition method?
Yang manakah di antara garam-garam berikut boleh disediakan dengan menggunakan
kaedah penguraian ganda dua?
I Zinc chloride
Zink klorida
II Barium sulphate
Barium sulfat
III Sodium nitrate
Natrium nitrat
IV Magnesium carbonate
Magnesium karbonat
A I and III only
B II and IV only
C I, II and III only
D II, III and IV only
47 Excess magnesium oxide is reacted with 25.0 cm3
of 2.0 moldm-3
nitric acid. Calculate the
maximum mass of magnesium nitrate salt formed.
[Relative atomic mass: N=14, 0=16, Mg=24]
Magnesium oksida berlebihan bertindak balas dengan 25.0 cm3
asid nitrik berkepekatan
2.0 moldm-3
. Kira jisim bagi garam magnesium nitrat yang terbentuk.
[Jisim atom relatif : N=14, 0=16, Mg=24]
A 7.40 g C 3.70 g
B 4.30 g D 1.48 g
SULIT 24 4541/1
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© 2011 Hak Cipta Jabatan Pelajaran Melaka [Lihat sebelah
SULIT
48 When heated, solid S gives off a gas that turns lime water milky. What is solid S?
Apabila dipanaskan, pepejal S membebaskan gas yang menukarkan air kapur menjadi
keruh. Apakah pepejal S?
I Sodium carbonate
Natrium karbonat
II Calcium carbonate
Kalsium karbonat
III Potassium carbonate
Kalium karbonat
IV Magnesium carbonate
Magnesium karbonat
A II only
B II and IV only
C I and IV only
D II, III and IV only
49 The equation shows a reaction between silver nitrate solution and sodium chloride solution.
Persamaan di bawah menunjukkan tindak balas di antara larutan argentum nitrat dan
larutan natrium klorida
AgNO3 (aq) + NaCl(aq) → NaNO3 (aq) + AgCl(s)
Calculate the mass of silver chloride formed when 0.1 mol of silver nirate solution is added
to 0.1 mol of sodium chloride solution?
Hitungkan jisim argentum klorida yang terbentuk apabila 0.1 mol larutan argentum nitrat
di tambah ke dalam 0.1 mol larutan natrium klorida?
[ Relative atomic mass : Cl = 35.5; Ag = 108]
[ Jisim atom relatif : C =,35.5; Ag =108]
A 28.70 g
B 43.05g
C 21.50 g
D 14.35g
SULIT 25 4541/1
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© 2011 Hak Cipta Jabatan Pelajaran Melaka [Lihat sebelah
SULIT
50 Which of the following catalyst is used in the Haber process?
Yang manakah di antara mangkin berikut digunakan dalam proses Haber ?
A Platinum
Platinum
B Nickel
Nikel
C Iron
Besi
D Vanadium (V) oxide
Vanadium (V) oksida
END OF QUESTION PAPER
KERTAS SOALAN TAMAT

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1. chemistry paper 1

  • 1. SULIT 4541/1 [Lihat sebelah JABATAN PELAJARAN MELAKA BUKIT BARU, MELAKA PEPERIKSAAN AKHIR TAHUN TINGKATAN 4 2011 CHEMISTRY Kertas 1 Oktober 2011 4541/1 1 ¼ jam Satu jam lima belas minit JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU 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. Rajah tidak dilukis mengikut skala kecuali dinyatakan 6. Anda dibenarkan menggunakan kalkulator saintifik yang tidak boleh diprogramkan Kertas soalan ini mengandungi 25 halaman bercetak
  • 2. SULIT 2 4541/1 4541/1 © 2011 Hak Cipta Jabatan Pelajaran Melaka [Lihat sebelah SULIT 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 menukarkan jawapan, padamkan tanda yang telah dibuat. Kemudian hitamkan jawapaan yang baru. 6. Rajah yang mengiringi soalan tidak dilukis mengikut skala kecuali dinyatakan. 7. Anda dibenarkan menggunakan kalkulator saintifik yang tidak boleh diprogramkan Question 1 to Question 50 are followed by four options A, B, C or D. Choose the best option for each question and blackened the corresponding space on the objective answer sheet. Bagi Soalan 1 hingga Soalan 50, tiap-tiap soalan diikuti oleh empat pilihan jawapan A, B, C dan D. Pilih satu jawapan yang terbaik bagi tiap-tiap soalan dan hitamkan ruangan yang sepadan pada kertas jawapan objektif anda
  • 3. SULIT 3 4541/1 4541/1 © 2011 Hak Cipta Jabatan Pelajaran Melaka [Lihat sebelah SULIT 1. Which of the following statements best describes ‘Chemistry’? Antara pernyataan berikut, yang manakah terbaik menerangkan ‘kimia’ ? A Chemistry is the study gained through scientific investigations. Kimia ialah kajian diperoleh melalui penyiasatan saintifik. B Chemistry is a systemic study of natural phenomena. Kimia ialah kajian sistemik bagi fenomena semulajadi. C Chemistry is the study of the composition, structure, properties and interactions of matter. Kimia ialah kajian mengenai komposisi, struktur, sifat-sifat dan interaksi antara jirim. D Chemistry is an art of transforming metals. Kimia ialah satu seni perubahan logam. 2. There are many industries involve chemistry include … Terdapat banyak industri melibatkan kimia termasuk … I Petroleum industry Industri petroleum II Nutritional industry Industri pemakanan III Mining industry Industri perlombongan IV Paint making industry Industri membuat cat A I and II only I dan II sahaja B I, II and III only I, II dan III sahaja C I, II and IV only I, II dan IV sahaja D I, II, III and IV I, II, III dan IV
  • 4. SULIT 4 4541/1 4541/1 © 2011 Hak Cipta Jabatan Pelajaran Melaka [Lihat sebelah SULIT 3 Which of the following is the best solution for an arteriosclerosis patient? Antara berikut yang manakah penyelesaian terbaik bagi pesakit arteriosklerosis? A take food rich in calcium makan makanan yang kaya dengan kalsium B take food rich in iron makan makanan yang kaya dengan zat besi C reduce fatty food intake kurangkan mengambil makanan berlemak D reduce sugary food intake kurangkan mengambil makanan bergula 4 Which of the following substance exists as atoms? Antara bahan berikut, yang manakah wujud sebagai atom? A Emas Gold C Water Air B Nitrogen Nitrogen D Chlorine Klorin 5 The melting point of a substance X is -2o C and its boiling point is 75o C. What is the physical state of substance X at -5o C and 85o C? Takat lebur bahan X ialah -2o C dan takat didihnya ialah 75o C. Apakah keadaan fizikal bahan X pada suhu -50 C dan 850 C? At -5o C Pada -5o C At 85o C Pada 85o C A Solid Pepejal Gas Gas B Solid Pepejal Liquid Cecair C Liquid Cecair Gas Gas D Gas Gas Solid Pepejal
  • 5. SULIT 5 4541/1 4541/1 © 2011 Hak Cipta Jabatan Pelajaran Melaka [Lihat sebelah SULIT 6 Diagram 1 below shows an atomic model. Rajah 1 menunjukkan suatu model atom. Diagram 1 Rajah 1 Which of the following is true about Diagram 1? Antara penyataan berikut yang manakah benar tentang Rajah 6? A The atomic model above was proposed by Neils Bohr. Model atom di atas dicadangkan oleh Neils Bohr. B The atom is a sphere of positive charge which contains a few electrons Atom merupakan sfera bercas positif yang mengandungi sedikit elektron. C The electrons in an atom move in shells around the nucleus. Elektron dalam atom bergerak dalam petala-petala yang mengelilingi nukleus. D The electrons move in a space that is larger than the space occupied by the nucleus. Electron bergerak dalam ruang yang lebih besar daripada ruang yang ditempati oleh nukleus. 7 This isotope produces gamma radiation to kill cancer cells. What is the isotope? Isotop ini menghasilkan sinar gamma untuk membunuh sel kanser. Apakah isotop ini? A Iodine-131 Iodin-131 B Cobalt-60 Kobalt-60 C Sodium-24 Natrium-24 D Carbon-12 Karbon-12
  • 6. SULIT 6 4541/1 4541/1 © 2011 Hak Cipta Jabatan Pelajaran Melaka [Lihat sebelah SULIT 8 Diagram 2 shows the symbol of fluorine atom. Rajah 2 menunjukkan simbol bagi atom fluorin 19 F 9 Diagram 2 Rajah 2 Which of the following is true based on the symbol in Diagram 2. Antara berikut yang manakah benar berdasarkan simbol dalam Rajah 2. Proton number Nombor proton Nucleon number Nombor nukleon Number of electron Bilangan elektron A 9 19 9 B 9 19 19 C 9 10 9 D 19 9 9 9 Diagram 3 shows the electron arrangement of atom X. Rajah 3 menunjukkan susunan elektron bagi atom X. Diagram 3 Rajah 3 How many valence electrons are there in the atom of X? Berapakah bilangan elektron valens yang terdapat dalam atom X? A 2 C 5 B 3 D 7 X
  • 7. SULIT 7 4541/1 4541/1 © 2011 Hak Cipta Jabatan Pelajaran Melaka [Lihat sebelah SULIT 10 Diagram 4 is a graph which shows the cooling curve for gas X. Rajah 4 ialah satu graf yang menunjukkan lengkung penyejukan bagi gas X. Diagram 4 Rajah 4 Which of the following statements is true? Antara pernyataan yang berikut, manakah benar? A From point P to point Q, kinetic energy increases as temperature decreases. Dari titik P ke titik Q, tenaga kinetik bertambah apabila suhu menurun. B From point Q to point R, forces of attraction between particles become weak Dari titik Q ke titik R, semua daya tarikan antara zarah-zarah menjadi lemah. C At point R, all the gas X has completely melted Pada titik R, semua gas X telah melebur keseluruhannya. D From point R to point S, heat is released to the surroundings Dari titik R ke titik S, haba dibebaskan ke persekitaran 11 The following equation represents the chemical process to extract aluminium from aluminium oxide. Persamaan dibawah menunjukkan proses kimia untuk mengekstrak aluminium dari aluminium oksida 2 Al2O3 → 4 Al + 3 O2 What is the volume of oxygen gas evolved when 204 g of aluminium oxide is used in the extraction ? Berapakah isipadu gas oksigen yang terbebas apabila 204 g aluminium oksida digunakan di dalam proses ini? [ Relative atomic mass ; O = 16 ; Al = 27, 1 mol of gas occupies 24.0 dm3 at room temperature ] [Jisim atom relatif ; O = 16, Al = 27, 1 mol gas menempati 24.0 dm3 pada suhu bilik.] A 36 dm3 C 48 dm3 B 144 dm3 D 72 dm3
  • 8. SULIT 8 4541/1 4541/1 © 2011 Hak Cipta Jabatan Pelajaran Melaka [Lihat sebelah SULIT 12 Diagram 5 shows the electron arrangement of a molecule of compound XY2. ( Only the valence electrons are shown ). Rajah 5 menunjukkan susunan elektron bagi molekul sebatian XY2 (hanya elektronvalens yang ditunjukkan). Diagram 5 Rajah 5 X and Y could be : X dan Y mungkin : X Y A Carbon Oxygen B Carbon Chlorine C Carbon Hydrogen D Chlorine Carbon 13 Which of the following represents the electron arrangement of a noble gas? Antara berikut, yang manakah mewakili susunan elektron gas adi? A C B D R R R R
  • 9. SULIT 9 4541/1 4541/1 © 2011 Hak Cipta Jabatan Pelajaran Melaka [Lihat sebelah SULIT 14 Diagram 6 shows the set-up of the apparatus to determine the empirical formula of substance Y. Rajah 6 menunjukkan susunan radas untuk menentukan formula empirik bahan Y. Diagram 6 Rajah 6 What could be substance Y ? Apakah mungkin bahan Y? I Copper(II) oxide Kuprum(II) oksida II Magnesium oxide Magnesium oksida III Potassium oxide Kalium oksida IV Lead (II) oxide Plumbum (II) oksida A I and IV only I and IV sahaja B II and III only II and III sahaja C III and IV only III and IV sahaja D I, II, III and IV I, II, III and IV 15 Table 1 shows the mass of element P and Q which react with each other. Jadual 1 menunjukkan jisim bagi unsur P dan Q yang bertindak balas. Element Unsur P Q Mass(g) Jisim(g) 0.32 0.36 Table 1 Jadual 1 What is the empirical formula for the substance formed? Apakah formula empirik bagi sebatian yang terbentuk? [Relative atomic mass :P = 64 ; Q = 35.5] [ Jisim atom relatif: P =64; Q = 35.5] A PQ C PQ4 B PQ2 D P2Q3 SubstanceY Bahan Y Hydrogen gas Gas hidrogen
  • 10. SULIT 10 4541/1 4541/1 © 2011 Hak Cipta Jabatan Pelajaran Melaka [Lihat sebelah SULIT 16 2.7 g of element X reacts with 2.4 g element Y to form a substance with empirical formula of X2Y3. What is the atomic mass of Y? 2.7 g unsur X bertindak balas dengan 2.4 g unsur Y untuk membentuk sebatian dengan formula empirik X2Y3. Berapakah jisim atom relatif bagi Y? (Relative atomic mass : X = 27) ( Jisim atom relatif : X = 27) A 8 C 24 B 16 D 31 17 The chemical symbol of an element T is as shown : Simbol unsur T ditunjukkan seperti di bawah: What would be the electron arrangement of the ion formed by an atom of T ? Apakah susunan elektron bagi ion yang terbentuk oleh atom T? A 2.8 B 2.8.2 C 2.8.8 D 2.8.8.8 18 Which of the following elements are located in group 17 of the Periodic Table? Manakah antara unsur-unsur berikut diletakkan di dalam kumpulan 17 Jadual Berkala? A Neon and Argon Neon dan Argon B Lithium and Potassium Litium dan Kalium C Iodine and Bromine Iodin dan Bromin D Nitrogen and Phosphorus Nitrogen dan Fosforus 24 T 12
  • 11. SULIT 11 4541/1 4541/1 © 2011 Hak Cipta Jabatan Pelajaran Melaka [Lihat sebelah SULIT 19 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. Which of the following scientist made the above statement? Antara saintis berikut siapakah yang membuat pernyataan di atas? A Newlands B Meyer C Mendeleev D Dobereiner 20 Table 2 shows the proton number and number of electrons of several particles. Which of the following particles is an anion? Jadual 2 menunjukkan nombor proton dan bilangan elektron bagi beberapa zarah. Manakah di antara berikut merupakan anion? Particles Zarah Proton Number Nombor Proton Number of electrons Bilangan elektron P 3 2 Q 9 10 R 11 11 S 20 18 Table 2 Jadual 2 A P B Q C R D S “Elements are arranged in order of increasing proton number in The Periodic Table. Unsur-unsur disusun mengikut nombor proton menaik dalam Jadual Berkala.”
  • 12. SULIT 12 4541/1 4541/1 © 2011 Hak Cipta Jabatan Pelajaran Melaka [Lihat sebelah SULIT 21 Table 3 shows the elements in Period 3 of the Periodic Table of elements. The elements can react with oxygen to form oxides. Jadual 3 menunjukkan unsur-unsur Kala 3 dalam Jadual Berkala Unsur. Unsur-unsur tersebut bertindak balas dengan oksigen membentuk oksida. Element Unsur Na Mg Al Si P S Cl Table 3 Jadual 3 Which of the following element forms amphoteric oxide? Antara berikut unsur manakah membentuk oksida amfoterik? A S C Si B P D Al 22 The number of neutrons of atom X is 20. If the number of electrons of ion X2+ is 18, what is the relative atomic mass of X? Bilangan neutron bagi suatu atom X ialah 20. Jika bilangan elektron ion X2+ ialah 18, berapakah jisim atom relatif X? A 18 C 38 B 20 D 40 23 Which of the following is true about elements in the Periodic Table? Antara berikut yang manakah benar tentang unsur-unsur dalam Jadual Berkala? A The metallic properties increases from left to right across a period Sifat kelogaman bertambah apabila merentasi Jadual Berkala dari kiri ke kanan B Elements of the same group have the same physical properties Unsur dalam kumpulan yang sama mempunyai sifat fizik yang sama C Group 18 elements have low melting and boiling points Unsur kumpulan 18 mempunyai takat lebur dan takat didih yang rendah D Group 17 elements exist naturally as monoatoms Unsur kumpulan 17 wujud semulajadi sebagai monoatom
  • 13. SULIT 13 4541/1 4541/1 © 2011 Hak Cipta Jabatan Pelajaran Melaka [Lihat sebelah SULIT 24 What happens to a sodium atom when chlorine combines with sodium? Apakah yang berlaku kepada atom natrium apabila klorin berpadu dengan natrium? A Accepts an electron Menerima satu elektron B Donates an electron Menderma satu elektron C Accepts two electrons Menerima dua elektron D Shares a pair of electrons Berkongsi sepasang elektron 25 Sodium and sulphur have the proton number 11 and 16 respectively. They react to form sodium sulphide. Which of the following statements are true? Natrium dan sulfur masing-masing mempunyai nombor proton 11 dan 16. Mereka bertindakbalas membentuk natrium sulfida. Antara pernyataan berikut, yang mana adalah benar? I A sodium atom donates an electron to form a sodium ion Satu atom natrium menderma satu elektron untuk membentuk ion natrium II A sodium atom donates two electrons to the sulphur atom Satu atom natrium menderma dua elektron kepada atom sulfur III A sulphur atom receives two electrons to form a sulphide ion Satu atom sulfur akan menerima dua elektron untuk membentuk ion sulfida IV Sodium and sulphur combine to form an ionic compound Natrium dan sulfur bergabung untuk membentuk sebatian ion. A I and IV only I dan IV sahaja B I, II and III only I, II dan III sahaja C I, III and IV only I, III dan IV sahaja D II, III and IV only II, III dan IV sahaja
  • 14. SULIT 14 4541/1 4541/1 © 2011 Hak Cipta Jabatan Pelajaran Melaka [Lihat sebelah SULIT 26 Table 4 shows the electron arrangement of atoms G, H, J and K Jadual 4 menunjukkan susunan elektron bagi atom G,H, J dan K Atom G H J K Electron arrangement Susunan elektron 1 2.5 2.8.2 2.8.8.1 Table 4 Jadual 4 Which of the following pairs of elements can combine to form a covalent compound? Yang manakah antara pasangan unsur-unsur berikut boleh membentuk sebatian kovalen? A G and H B H and J C G and K D H and K 27 Which of the following set of apparatus is the most suitable to be used in electrolysis of copper(II) sulphate solution? Antara susunan radas yang berikut, yang manakah paling sesuai digunakan dalam proses elektrolisis larutan kuprum(II) sulfat? A B C D Carbon rod Rod karbon Copper(II) sulphate solution Larutan kuprum(II) sulfat Carbon rod Rod karbon Copper(II) sulphate solution Larutan kuprum(II) sulfat
  • 15. SULIT 15 4541/1 4541/1 © 2011 Hak Cipta Jabatan Pelajaran Melaka [Lihat sebelah SULIT 28 Table 5 contains information on the melting points and boiling points of substances P, Q, R and S. Jadual 5 mengandungi maklumat tentang takat lebur dan takat didih bagi bahan-bahan P,Q,R dan S Substance Bahan Melting point (ºC) Takat lebur (ºC) Boiling point (ºC) Takat didih (ºC) Electrical conductivity in molten state P -30 174 Cannot conduct Q 43 182 Cannot conduct R 119 444 Can conduct S 688 1100 Can conduct Table 5 Jadual 5 Which of the following classifications of substances P, Q, R and S is correct? Antara pengkelasan berikut, yang manakah benar bagi bahan P, Q, R dan S? Ionic compound Sebatian ion Covalent compound Sebatian kovalen A P and Q R and S B R and S P and Q C P, Q and R S D S P 29 What is the percentage of nitrogen by mass in ammonium nitrate, NH4NO3? Apakah peratus nitrogen dalam ammonium nitrat NH4NO3 mengikut jisim? [ Relative atomic mass: H = 1, N = 14 ,O = 16] [ Jisim atom relatif : H = 1, N = 14, O = 16] A 17.50 % B 21.21 % C 35.00 % D 53.85 %
  • 16. SULIT 16 4541/1 4541/1 © 2011 Hak Cipta Jabatan Pelajaran Melaka [Lihat sebelah SULIT 30 Aqueous sodium chloride solution is an electrolyte because it has Larutan natrium klorida berair ialah sejenis elektrolit kerana ia mempunyai A Free moving ions Ion yang bebas bergerak B Free moving electrons Elektron yang bebas bergerak C Free moving atom Atom yang bebas bergerak D Free moving molecules Molekul yang bebas bergerak 31 Diagram 7 shows a chemical cell. Rajah 7 menunjukkan sebuah sel kimia. Diagram 6 Diagram 7 Rajah 7 Which of the following is true? Di antara berikut, yang manakah adalah benar? Metal X/Y Logam X/Y Negative Terminal Terminal negatif A Iron/Zinc Ferum/Zink Iron Ferum B Iron/Aluminium Ferum/Aluminium Iron Ferum C Zinc/Copper Zink/Kuprum Zinc Zink D Magnesium/Aluminium Magnesium/Aluminium Aluminium Aluminium Y plate Plat Y Electrolyte Elektrolit V X plate Plat X
  • 17. SULIT 17 4541/1 4541/1 © 2011 Hak Cipta Jabatan Pelajaran Melaka [Lihat sebelah SULIT 32 Diagram 8 shows the set–up of apparatus of a chemical cell. Which of the following are not true of a chemical cell? Rajah 8 menunjukkan susunan radas suatu sel kimia. Antara berikut yang manakah tidak benar mengenai sel kimia? Diagram 8 Rajah 8 I The electrodes are of the same metal. Elektrod-elektrod adalah logam yang sama. II The electrodes are of different metals Elektrod-elektrod adalah logam yang berlainan. III Liquid H is an electrolyte. Cecair H ialah sejenis elektrolit. IV Electrical energy change to chemical energy Tenaga elektrik bertukar kepada tenaga kimia A I and III only B I and IV only C II and IV only D I, III and IV only 33 Which of the following substances is acidic? Antara bahan berikut yang manakah bersifat asid? A Ammonia Ammonia B Potassium oxide Kalium oksida C Carbon dioxide Karbon dioksida D Sodium hydroxide Natrium hidroksida Electrodes Elektrod Liquid H Cecair H V
  • 18. SULIT 18 4541/1 4541/1 © 2011 Hak Cipta Jabatan Pelajaran Melaka [Lihat sebelah SULIT 34 It is discovered that a compound with formula AB dissolves in water. What inference can you make about the compound ? Didapati satu sebatian dengan formula AB larut dalam air. Apakah inferens yang boleh dibuat tentang sebatian itu? A It is a covalent compound Merupakan sebatian kovalen B The compound ionizes in water Sebatian mengion dalam air C The compound will dissolve in an organic solvent Sebatian yang larut dalam pelarut organik D The intermolecular forces between the particles are very weak Daya antara molekul pada zarah-zarah adalah sangat lemah 35 During the electroplating of an iron key with copper, which of the following should be done? Semasa menyadurkan kunci besi dengan kuprum, yang manakah antara berikut perlu dilakukan? I The iron key should be made the cathode Kunci besi perlu dijadikan katod II Molten copper is used as the electrolyte Kuprum lebur dijadikan elektolit III An aqueous solution of copper (II) sulphate is made the electrolyte Larutan berair kuprum (II) sulfat dijadikan elektrolit IV Two copper plates should be used as electrodes Dua kepingan kuprum digunakan sebagai elektrod A I and III only B II and IV only C I, II and IV only D I, III and IV only
  • 19. SULIT 19 4541/1 4541/1 © 2011 Hak Cipta Jabatan Pelajaran Melaka [Lihat sebelah SULIT 36 Diagram 9 shows the set-up of the apparatus of an electrolytic cell. Rajah 9 menunjukkan susunan radas bagi satu sel elektrolisis. Which of the following half-equations represents the reaction that occurred at electrode Q? Antara persamaan setengah berikut, yang manakah mewakili tindak balas yang berlaku di elektrod Q? A Na+ + e- → Na B 2H+ + 2e- → H2 C 2Cl- → Cl2 + 2e- D 4OH- → O2 + 2H2O + 4e- 37 Which of the following equations does not involve neutralisation? Antara persamaan kimia berikut yang manakah tidak melibatkan peneutralan? A 2HCl (aq) + MgO(s) MgCl2(aq) + H2O(l) B H2SO4(aq) + BaCl2(aq) BaSO4(s) + 2HCl(aq) C HNO3(aq) + NaHCO3(s) NaNO3(aq) + CO2(g) + H2O(l) D HCl(aq) + NH3(aq) NH4Cl(aq) Diagram 9 Rajah 9
  • 20. SULIT 20 4541/1 4541/1 © 2011 Hak Cipta Jabatan Pelajaran Melaka [Lihat sebelah SULIT 38 Diagram 10 below shows the set-up of apparatus for electrolysis. Rajah 10 di bawah menunjukkan susunan radas untuk elektrolisis. Diagram 10 Rajah 10 Which of the following substance could light up the bulb? Antara bahan berikut, yang manakah boleh menyalakan mentol? A Potassium chloride solution Larutan kalium klorida B Glucose solution Larutan glukosa C Magnesium oxide Magnesium oksida D Tetrachloromethane solution Larutan tetraklorometana 39 Table 6 shows the degree of dissociation of four solutions of alkalis which have the same concentration. Jadual 6 di bawah menunjukkan darjah penceraian empat larutan alkali yang sama kepekatan. Solution Larutan Degree of dissociation Darjah penceraian W Low Rendah X Medium Sederhana Y High Tinggi Z Very high Sangat tinggi Table 6 Jadual 6 Which solution has the highest pH value? Larutan yang manakah mempunyai nilai pH yang paling tinggi? A W C Y B X D Z Substance bahan s
  • 21. SULIT 21 4541/1 4541/1 © 2011 Hak Cipta Jabatan Pelajaran Melaka [Lihat sebelah SULIT 40 Diagram 11 shows two electrolytic cells which use two different type of electrodes, cell A uses carbon electrode while cell B uses copper electrode. Rajah 11 menunjukkan dua sel elektolisis yang mana menggunakan dua jenis elektrod yang berlainan. Sel A mengunakan elektrod karbon manakala sel B mengunakan elektrod kuprum. Ce Cell A Cell B Diagram 11 Rajah 11 What are the half equation that represented the reaction at anode for both cells? Apakah setengah persamaan yang mewakili tindak balas di anod pada kedua-dua sel? Cell A Sel A Cell B Sel B A 4OH- → 2H2O + O2 + 4e- Cu2+ + 2e- → Cu B 4OH- → 2H2O + O2 + 4e- Cu → Cu2+ + 2e- C Cu2+ + 2e- → Cu 4OH- → 2H2O + O2 + 4e- D Cu → Cu2+ + 2e- 4OH- → 2H2O + O2 + 4e- 41 What is the mass of sodium hydroxide, NaOH which is required to prepare 250 cm3 sodium hydroxide solutions with a concentration of 100 gdm-3 ? [Relative atomic mass: Na = 23; O = 16; H = 1] Berapakah jisim natrium hidroksida, NaOH yang diperlukan untuk menyediakan 250 cm3 larutan natrium hidroksida dengan kepekatan 100 gdm-3 ? [ Jisim atom relatif Na = 23; O = 16; H = 1] A 25g C 20g B 35g D 40g Copper(II) sulphate solution Larutan kuprum (II) sulfat Copper Electrode Elektrod kuprum Carbon Electrode Elektod karbon
  • 22. SULIT 22 4541/1 4541/1 © 2011 Hak Cipta Jabatan Pelajaran Melaka [Lihat sebelah SULIT 42 50.0 cm3 of 0.4 moldm-3 potassium hydroxide solution, KOH is titrated with sulphuric acid, H2SO4. What is the volume of 1.0 moldm-3 sulphuric acid which is needed to neutralise this potassium hydroxide solution? 50.0 cm3 larutan kalium hidroksida, KOH 0.4 moldm-3 dititratkan dengan asid sulfurik, H2SO4. Berapakah isipadu asid sulfurik 1.0 moldm-3 yang diperlukan untuk meneutralkan larutan kalium hidroksida ini? A 10.0 cm3 C 40.0 cm3 B 20.0 cm3 D 50.0 cm3 43 Which of the statements are true about a weak alkali? Antara pernyataan berikut, yang manakah benar tentang alkali lemah? I It dissociates partially into hydroxide ions in water Ia terurai separa kepada ion hidroksida di dalam air II Its pH value is higher than that of sodium hydroxide Nilai pH nya adalah lebih tinggi daripada nilai pH natrium hidroksida III It has low OH- ion concentration Ia mempunyai kepekatan ion hidroksida yang rendah IV Most of its molecules remain unchanged in the water Kebanyakan molekulnya kekal tidak berubah di dalam air A I and II only B I, II and III only C I, III and IV only D II, III and IV only 44 The formula for a sulphate ion is SO4 2- and for a nitrate ion is NO3 - . If the formula of the sulphate salt of M is MSO4, what is the formula of nitrate salt of M? Formula bagi sulfat ion adalah SO4 2- dan bagi nitrat ion adalah NO3 - . Jika formula bagi garam M sulfat adalah MSO4, apakah formula bagi garam M nitrat? A MNO3 B M2NO3 C M(NO3)2 D M(NO3)3
  • 23. SULIT 23 4541/1 4541/1 © 2011 Hak Cipta Jabatan Pelajaran Melaka [Lihat sebelah SULIT 45 The following is chemical equation for a reaction. Berikut ialah persamaan kimia bagi satu tindak balas. CaCO3 + 2HNO3 Ca(NO3)2 + H2O + CO2 Which of the following are the products? Antara berikut, yang manakah hasil tindak balas? A H2O and CO2 B HNO3 and CO2 C CaCO3 and HNO3 D Ca(NO3)2, H2O and CO2 46 Which of the following salts can be prepared by using double decomposition method? Yang manakah di antara garam-garam berikut boleh disediakan dengan menggunakan kaedah penguraian ganda dua? I Zinc chloride Zink klorida II Barium sulphate Barium sulfat III Sodium nitrate Natrium nitrat IV Magnesium carbonate Magnesium karbonat A I and III only B II and IV only C I, II and III only D II, III and IV only 47 Excess magnesium oxide is reacted with 25.0 cm3 of 2.0 moldm-3 nitric acid. Calculate the maximum mass of magnesium nitrate salt formed. [Relative atomic mass: N=14, 0=16, Mg=24] Magnesium oksida berlebihan bertindak balas dengan 25.0 cm3 asid nitrik berkepekatan 2.0 moldm-3 . Kira jisim bagi garam magnesium nitrat yang terbentuk. [Jisim atom relatif : N=14, 0=16, Mg=24] A 7.40 g C 3.70 g B 4.30 g D 1.48 g
  • 24. SULIT 24 4541/1 4541/1 © 2011 Hak Cipta Jabatan Pelajaran Melaka [Lihat sebelah SULIT 48 When heated, solid S gives off a gas that turns lime water milky. What is solid S? Apabila dipanaskan, pepejal S membebaskan gas yang menukarkan air kapur menjadi keruh. Apakah pepejal S? I Sodium carbonate Natrium karbonat II Calcium carbonate Kalsium karbonat III Potassium carbonate Kalium karbonat IV Magnesium carbonate Magnesium karbonat A II only B II and IV only C I and IV only D II, III and IV only 49 The equation shows a reaction between silver nitrate solution and sodium chloride solution. Persamaan di bawah menunjukkan tindak balas di antara larutan argentum nitrat dan larutan natrium klorida AgNO3 (aq) + NaCl(aq) → NaNO3 (aq) + AgCl(s) Calculate the mass of silver chloride formed when 0.1 mol of silver nirate solution is added to 0.1 mol of sodium chloride solution? Hitungkan jisim argentum klorida yang terbentuk apabila 0.1 mol larutan argentum nitrat di tambah ke dalam 0.1 mol larutan natrium klorida? [ Relative atomic mass : Cl = 35.5; Ag = 108] [ Jisim atom relatif : C =,35.5; Ag =108] A 28.70 g B 43.05g C 21.50 g D 14.35g
  • 25. SULIT 25 4541/1 4541/1 © 2011 Hak Cipta Jabatan Pelajaran Melaka [Lihat sebelah SULIT 50 Which of the following catalyst is used in the Haber process? Yang manakah di antara mangkin berikut digunakan dalam proses Haber ? A Platinum Platinum B Nickel Nikel C Iron Besi D Vanadium (V) oxide Vanadium (V) oksida END OF QUESTION PAPER KERTAS SOALAN TAMAT