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Past year Questions Chemistry
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SMK CANOSSIAN CONVENT KLUANG______________________________________________
PEPERIKSAAN PERTENGAHAN TAHUN 20134541/1TINGKATAN LIMA
ChemistryKertas 1Mei 2013
jamSatu Jam Lima Belas Minit
JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHULampiran 5SULIT4541 / 2
1SULIT 4541/1
4541 / 2SULIT[Lihat halaman sebelah4541/1 2013 Hak Cipta SMKCC KluangSULIT
1. 2. This question paper consists of 50 questions.3. Answer all the questions.4. Answer each question by blackening the correct space on the answer sheet.5. Blacken only one space for each question.6. If you wish to change your answer, erase the blackened mark that you have made. Then blacken the space for the new answer.7. The diagrams in the questions provided are not drawn to scale unless stated. 7. You may use a non-programmable scientific calculator. ___________________________________________________________________________Kertas soalan ini mengandungi 16 halaman bercetak
1.Diagram 1 shows the change of the state of matter.
Process P
Diagram 1
Which of the following is process P?
ABoiling
BMelting
CFreezing
DSublimation
2.Which of the following elements are in Group 18 in the Periodic Table of Elements?
AHelium and krypton
BHydrogen and oxygen
COxygen and krypton
DHelium, hydrogen and oxygen
3.Diagram 3 shows a model of an atom.
Shell
Nucleus that contains protons
Electron
Diagram 3 Who introduced this model?
ANeils Bohr
BJohn. Dalton
CJ. J.Thomson
DErnest Rutherford
4.Which of the following chemical formulae is correct?
ACu2Cl
BAlCl3
CNaO2
DBaOH
5.The table shows the proton number and the nucleon number of atom X.
Proton number3
Nucleon number
7
Which of the following is correct about the position of X in the Periodic Table of elements?
GroupPeriod
A12
B21
C25
D52
6.Diagram 6 shows the electron arrangement of a compound formed between atoms X and Y.
Diagram 6
Which of the following statements is true about the compound?
AIt is an ionic compound.
BThe compound formed by covalent bonds.
CThe compound has a high boiling point.
DThe compound is formed by electron transfer.
7.Which of the following is an electrolyte?
AMolten acetamide
BAluminium
CEthyl propanoate
DMolten lead(II) bromide
8.Which of the following is true about weak alkali?
AThe pH value is more than 7.
BUnable to neutralize acid.
CChange blue litmus paper to red.
DIonizes partially in water to produce hydroxide ions.
9.Which of the following is an insoluble salt?ACalcium nitrate
BPotassium nitrate
CCalcium carbonate
DPotassium carbonate
10.Which of the following mixtures of elements form alloy to make the twenty cents coins?
AIron and carbon
BCopper and nickel
CStanum and copper
DAluminium and copper
11.Which of the following is a fast reaction?
ARusting
BPrecipitation
CFermentation
DPhotosynthesis
12.Diagram 12 below shows the energy profile diagram of a reaction.
Curve ACurve BDiagram 12
How can we obtain curve B?
AIncrease the temperature of reaction.
BIncrease the pressure.
CIncrease the concentration of reactants.
DUse catalyst.
13.Which of the following is an ionic compound?
APropane
BAmmonia
CZinc oxide
DCarbon dioxide
14.Diagram 14 shows the set up of the apparatus for the electrolysis of copper(II) nitrate solution.
Diagram 14
Which of the following is produced at copper electrode Y?
ACopper
BOxygen
CHydrogen ions
DCopper(II) ion
15.Which of the following substances react to form salt and hydrogen gas only?
ADilute sulphuric acid and aqueous sodium carbonate
BDilute hydrochloric acid and zinc metal
CDilute sulphuric acid and aqueous sodium hydroxide
DDilute hydrochloric acid and zinc oxide
16.Diagram 16 shows an experiment to study the particle theory of matter.
Jelly Copper(II) sulphate
Diagram 16
After 2 days, it was found that the jelly had become blue in colour. Which of the following is the best explanation of the observation in the experiment?
AJelly dissolves copper(II) sulphate
BCopper(II) sulphate is an ionic compound
CParticles in copper(II) sulphate are tiny and discrete
DThe attractive force between jelly and copper(II) sulphate particles is strong
17.3.1 g metal oxide M contains 2.3 g of metal M. Determine the empirical formula of metaloxide M.[Relative atomic mass of M = 23, O = 16]
AMO
BM2O
CMO2
DM2O2
18.Which of the following diagrams represents the electron arrangement of an element of Group 17?
A
B
C
D
19.Diagram 19 shows the symbols of element M and N.
Diagram 19
Which of the following shows the electron arrangement of the compound that forms when M reacts with N?
A
B
C
D
20.Impure copper can be purified by using electrolysis. Which of the following pair of electrodes is correct?
AnodeCathode
APure copperImpure copper
BImpure copperPure copper
CCarbonPure carbon
DCarbonImpure carbon
21.Glacial ethanoic acid is put into four test tubes A, B, C and D. In which test tube does a reaction occur?
A
Glacial ethanoic acidpH paper
B
Glacial ethanoic acid
Magnesium ribbon
C
Glacial ethanoic acidCalcium carbonate chip
D
Glacial ethanoic acidSodium carbonate solution
22.Which of the following reactants will produce copper (II) chloride?
ACopper and hydrochloric acid
BCopper (I) oxide and hydrochloric acid
CCopper (II) oxide and hydrochloric acid
DCopper (II) oxide and sulphuric acid
23.
Which of the following polymer is suitable for making water pipes?
A
B
C
D
24.
The reaction between solid lead(II) carbonate and nitric acid releases carbon dioxide gas. Which of the following would increase the initial rate of liberation of carbon dioxide gas?
AIncrease the volume of nitric acid.
BIncrease the size of solid lead(II) carbonate.
CIncrease the temperature of reacting mixture.
DAdd lead(II) nitrate solution to the reacting mixture.
25.The general formula of carboxylic acid is CnH2n+1COOH. Calculate the relative molecular mass of butanoic acid.[Relative atomic mass of H = 1, C = 12, O = 16]
A58
B68
C88
D98
26.Which of the following is not true about Haber process?
AReactants are nitrogen gas and hydrogen gas.
BCatalyst needed is iron.
CTemperature for the reaction is 450C
DUsed to produce sulphuric acid.
27.
Which of the following pair of compounds and its type of bond is correct?
A
B
C
DCompoundType of bond
Ethanol
Ionic
Zinc sulphate
Covalent
Sulphur dioxide
Ionic
Tetrachloromethane
Covalent
28.
29.Which of the following statements are true about the uses of salts?
ISalts are used in medicinal field
IISalts are used in plastic industry
IIISalts are used in agriculture field
IVSalts are used in food industry
AI and II only
BI and III only
CII and III only
DI, II, III and IV
Carbon has two isotopes and . Which of the following statements are true?
IThey have same proton number.
IIThey have same chemical properties.
IIIThey have same number of valence electron.
IVThey have same neutron numbers.
AI and II only
BI and III only
CI, II and III only
DI, II, III and IV
30.The equation shows the decomposition of a copper(II) nitrate salt.2Cu(NO3)22CuO + 4NO2 + O2
Calculate the volume of nitrogen dioxide, NO2 gas at room condition if 0.1 mol of Cu(NO3)2salt is heated.[Molar volume = 24 dm3mol-1 at room conditions]
A0.6 dm3
B1.2 dm3
C2.4 dm3
D4.8 dm3
31.The following are the properties of three elements in Period 3 of the Periodic Table of Elements.
P: It is non-metal that is used to make semi conductor.
Q: It is an inert gas that is used to fill electric bulb
R: It is a metal with low density
Arrange these elements in the order of increasing proton number.
AP, Q, R
BQ, P, R
CP, R, Q
DR, P, Q
32.
The electron arrangement of atom X is 2.8.5 and atom Y has 2 valence electrons. What is the type of bond and formula of compound formed between X and Y?
Type of bondFormula
AIonicY2X3
BIonicY3 X2
CCovalentX3Y2
DCovalentXY2
33.The diagram shows four simple chemical cells. In each cell zinc is used as one of the electrodes.
In which cell does zinc act as the positive terminal?ACell P
BCell Q
CCell R
DCell S
34.Diagram below shows the neutralization reaction between a strong acid and a strong alkali.
Hydrochloric acid solution1 mol dm-3 sodium hydroxide solution
What is the volume of the alkali needed to produce 1.4625g of salt?[ Relative atomic mass: Na = 23, Cl = 35.5, H = 1, O = 16 ]
A0.005 cm3
B0.025 cm3
C5.000 cm3
D25.000 cm3
35.The equations shows the reaction between sodium chloride solution and silver nitrate solution to produce silve chloride precipitate.
200cm3 of 0.1moldm-3 sodium chloride solution reacts completely with excess silver nitrate solution. Calculate the mass of precipitate produced.[Relative atomic mass: Ag = 108; Cl = 35.5]
A2.78 g
B2.87 g
C3.78 g
D3.87 g
36.Plastic can cause pollution because
Aplastics are widely use in daily life.
Bplastics are biodegradable
Cburning of plastics can release toxic gases.
Dsome plastics can be recycled.
37.
The table shows the volume of oxygen gas released for the decomposition of hydrogen peroxide.
Time (s)0306090120150180210
Volume of oxygen (cm3)0.06.612.517.923.027.831.835.2
What is the average rate of reaction in the third minutes?A0.11 cm3s-1
B0.13 cm3s-1
C0.15 cm3s-1
D0.18 cm3s-1
38.
39.The equation represents the combustion reaction of butene with oxygen.
What is the volume of carbon dioxide gas given out when 20 cm3 of butene is burnt completely in excess oxygen?A20cm3
B40cm3
C60cm3
D80cm3
In an experiment, the reaction between 25 cm3 of 0.1 mol dm-3 nitric acid with excess zinc produces hydrogen gas. The graph of the volume of hydrogen gas against time is sketched. A curve II is obtained.
If the experiment is repeated using another solution, which solution will produce curve I?A25 cm3 of 0.2 mol dm-3 nitric acid
B30 cm3 of 0.1 mol dm-3 nitric acid
C50 cm3 of 0.05 mol dm-3 nitric acid
D100 cm3 of 0.05 mol dm-3 nitric acid
40.The equation shows the reaction between a hydrocarbon with chlorine.
Which of the following is the molecular formula of X?AC2H6
BC3H6
CC3H8
DC4H10
41.
Diagram below shows the structure of bronze.
Atom XCopper atom
What is atom X?ATin
BZinc
CMagnesium
DAluminium
42.
Diagram below shows the symbol for atom X.
Which of the following represents the electron arrangement of ion X-?A2.7
B2.8
C2.8.8
D2.8.8.1
43.
The formula for a sulphate ion is and for a nitrate is .
If the formula of the sulphate salt of M is, what is the formula of the nitrate salt of M?A
B
C
D
44.Which of the following solutions contain the same number of hydrogen ion, H+ when ionised in water?[Avogadro number = 6.021023mol-1]
I50 cm3 of 1.0 moldm-3 of nitric acid
II100 cm3 of 0.5 moldm-3 of hydrochloric acid
III25 cm3 of 1.0 moldm-3 of sulphuric acid
IV200 cm3 of 0.5 moldm-3 of sulphuric acid
AI and III only.
BII and IV only.
CI, II and III only.
DII, III and IV only.
45.Electron arrangement of an element G is 2.6. Element H is placed in Group 17 of the Periodic Table. The compound formed between elements G and H
Iconsists of molecules
IIhas a formula of G2H
IIIhas a high melting point
IVcannot conduct electricity in the solid and liquid state
AI and II only.
BI and IV only.
CII and III only.
DIII and IV only.
46.The table shows information about three simple chemical cells.
Pair of metals
Potential difference/V
Metal of negative terminal
P and copper
0.45 P
Q and copper
1.30 Q
R and copper
0.56 Cu
Based on the information in the table, what is the potential difference of the pair of metalsQ and R?
A0.74
B0.85
C1.01
D1.86
47.A farmer discovered that his vegetables were not growing well because the soil was acidic.Which of the following substances can be used to overcome the problem?
AZinc oxide
BCalcium oxide
CSodium hydroxide
DMagnesium hydroxide
48.Magnesium chloride can be prepared by reacting 50.0 cm3 of 1.0 moldm-3 dilute hydrochloric acid with excess magnesium. What is the mass of magnesium chloride produced?[Relative atomic mass of Mg = 24; Cl=35.5]
A2.375 g
B2.975 g
C4.750 g
D5.950 g
49.
Alcohol X react with carboxylic acid Y react to form the ester shown below.
Which of the following could be alcohol X and carboxylic acid Y?
Alcohol XCarboxylic acid Y
AButanol
Ethanoic acid
BEtanol
Butanoic acid
CButanol
Propanoic acid
DButanolPropanoic acid
50.Which of the following are the properties of glass?
ITransparent
IIDoes not react with chemical
IIICan be cleaned easily
IVCan insulate heat
AI and III only
BI, III and IV only
CII, III and IV only
DI, II, III and IV
------------------------------------------------------ End of Question Paper -------------------------------------------------
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