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- 1. Multiple Choice
Which of the following substances consists of molecule?
Helium gas
Chlorine gas
Sodium carbonate
Copper(II) oxide
- 2. Multiple Choice
The proton number of atom R is 14 and its relative atomic mass is 28. Which statements is correct about R?
The mass of 1 atom R is 28g
The molar mass of R is 28g
14g of R contains atoms
Atom R has 14 protons, 14 electrons and 28 neutrons
- 3. Multiple Choice
Diagram 1 shows the position of element X and element Y in the periodic table of elements. What is the chemical formula when element X reacts with element Y?
XY
XY2
Y2X
Y2X3
- 4. Multiple Choice
Which of the following substances can conduct electricity in molten state and aqueous solution?
Lead(II) bromide
Potassium chloride
Tetrachloromethane
Naphthalene
- 5. Multiple Choice
Diagram 2 shows the apparatus set-up of electrolysis X electrolyte. Which of the following is X used to light up a bulb?
Potassium sulphate
Silver chloride
Glacial propanoic acid
Pure methanol
- 6. Multiple Choice
Which of the following is true about weak acid?
Unable to neutralize alkali
The pH value is more than 7
Able to change red litmus paper to blue
Ionizes partially in water to produce hydrogen ions
- 7. Multiple Choice
Which of the following salts is probably salt X?
Aluminium chloride
Lead(II) carbonate
Lead(II) nitrate
Zinc nitrate
- 8. Multiple Choice
Which of the following are properties of glass?
I - Transparent
II - React with chemical
III - Can be cleaned easily
IV - Heat conductor
I and II only
I and III only
II and IV only
II and III only
- 9. Multiple Choice
Which method is the most suitable to increase the rate of reaction for the following equation?
4H2O2 --> O2 + 2H2O
Decrease the concentration of hydrogen peroxide
Decrease the temperature of hydrogen peroxide
Increase the volume of hydrogen peroxide
Add manganese(IV) oxide
- 10. Multiple Choice
Which statement is correct about fats and oils?
Fats and oils are chemically different
Fats and oils are mixtures of organic acids and glycerol
Fats and oils are not important because they lead to health problems
Fats come from plants while oils come from animals
- 11. Multiple Choice
Which substance can be used to convert Fe3+ ions into Fe2+ ions?
Acidified potassium manganate(VII) solution
Copper
Silver
Sulphur dioxide gas
- 12. Multiple Choice
Which of the following is true of an exothermic reaction?
The container becomes hotter.
The temperature of the mixture decreases.
Heat energy is absorbed from the surroundings.
The heat energy is converted to kinetic energy.
- 13. Multiple Choice
What is the type of medicine for barbiturate?
Antibiotic
Antidepressant
Stimulant
Analgesic
- 14. Multiple Choice
Diagram 3 shows the graph of heating of solid Y. What is the boiling point of Y?
A
B
C
D
- 15. Multiple Choice
A balloon contains 12.04 x 1023 of gas particle. What is the number of moles of the gas in the balloon? [Avogadro's constant : 6.02 x 1023 mol-1]
0.5 mol
1.0 mol
2.0 mol
6.0 mol
- 16. Multiple Choice
Table 2 shows the electron arrangement of element R and Q. Element Q can form a compound with element R. What is relative molecular mass of the compound formed between element Q and R? [R.A.M.: Q= 35.5; R=12]
47.5
83
118.5
154
- 17. Multiple Choice
Table 3 shows the electron arrangement of elements P, Q, R and S. Which of the following pairs will form an ionic compound?
Q and P
S and Q
R and P
Q and P
- 18. Multiple Choice
Diagram 4 shows the apparatus set-up for an experiment to electroplate a nail with copper. After 20 minutes, the students found no changes to the nail. What changes should be made to the experiment for it to succeed?
Interchange the terminals in the cell
Increase the concentration of electrolyte
Rub the nail with sand paper
Decrease the cell voltage
- 19. Multiple Choice
Which of the following substances ionizes partially in water?
HCl
NaOH
CH3OH
CH3COOH
- 20. Multiple Choice
Based on the results of the experiment, salt X is:
Zinc chloride
Calcium carbonate
Aluminium sulphate
Magnesium chloride
- 21. Multiple Choice
A plastic bag is made from a polymer called polyethene. Which of the following is the property of plastic bag?
Good insulator
Non flammable
Biodegradable
High tensile strength
- 22. Multiple Choice
The following equation represents the reaction between calcium carbonate and hydrochloric acid.
CaCO3 + 2HCL --> CaCl2 + CO2 + H2O
Which products is most suitable to be chosen to determine the rate of reaction?
Decreasing mass of calcium carbonate
Increasing mass of calcium chloride
Increasing volume of carbon dioxide
Increasing volume of water
- 23. Multiple Choice
A student wants to produce a rubber strip that is harder and resistant to heat. He dip the natural rubber strip in a beaker containing methylbenzene and substance Q. What is substance Q?
Ethanoic acid
Hydrogen chloride
Disulphur dichloride
Potassium hydroxide
- 24. Multiple Choice
Ionic equation for the reaction between zinc and copper(II) ions solution, Cu2+ is shown below.
Zn + Cu2+ --> Zn2+ + Cu
Based on the equation, which substance undergoes oxidation?
Zn
Cu2+
Zn2+
Cu
- 25. Multiple Choice
Diagram 5 shows the energy level diagram for the precipitation reaction of silver chloride. Which of the following is true about the reaction?
Endothermic reaction, heat is released.
Exothermic reaction, heat is absorbed.
Endothermic reaction, heat is absorbed.
Exothermic reaction, heat is released.
- 26. Multiple Choice
Two cleaning agents, soap and detergent are used to wash clothes in sea water and river water. Which of the following pair is correct about the results obtained?I
I and II
I and IV
II and III
III and IV
- 27. Multiple Choice
What is the nucleon number of atom shown?
11
12
22
23
- 28. Multiple Choice
Which of the following is true about the atoms of elements Y and Z?
Mass of one atom of Z is 18g
The number of protons in atom Y is 90
5 moles of Z have the same mass as 1 mole of Y
The density of one atom of Y is 5 times that of an atom of Z
- 29. Multiple Choice
Element Z is located in the same group as chlorine in the Periodic Table. Z is not the actual symbol of the element.
Which of the following statements are the chemical properties of element Z?
Reacts with water to produce alkaline solution
Reacts with sodium to produce a black solid
Reacts with sodium hydroxide to produce an acidic solution
Reacts with hot iron to form brown solid.
- 30. Multiple Choice
Diagram shows the electron arrangement of a carbon dioxide molecule. Which of the following is true?
One carbon atom contributes four electrons to be shared by two oxygen atoms.
Four double covalent bonds are formed in a carbon dioxide molecule.
Each oxygen atom contributes one electron for sharing.
One carbon atom requires two electrons to achieve the octet electron arrangement.
- 31. Multiple Choice
Table shows the observation for the reactions between metal N with two different salt solutions. Which of the following is correct ascending order of metal N, calcium and lead in the electrochemical series?
N, calcium, lead
Calcium, lead, N
Lead, N, calcium
Calcium, N, lead
- 32. Multiple Choice
What are the products of the reaction between ethanoic acid and sodium oxide?
I - Water
II - Hydrogen
III - Ethyl ethanoate
IV - Sodium ethanoate
I and II
II and III
III and IV
I and IV
- 33. Multiple Choice
Diagram shows inland lake known as dead sea. In dry season, solid X is formed. During raining season all the solid X disappear. What are the properties of solid X?
I - Can be purified using recrystallization
II - Can conduct electricity in molten state
III - Consists of chloride and sulphate compounds
IV - Low melting and boiling point
I and II
I and III
II and III
III and IV
- 34. Multiple Choice
Which of the following is the most suitable catalyst and conditions required for production of ammonia in industry?D
A
B
C
D
- 35. Multiple Choice
The following equation represents the reaction between sodium thiosulphate and sulphuric acid.
Na2S2O3 + H4SO4 --> Na2SO4 + H2O + SO2 + S
20cm3 distilled water is added to the mixture. What is the difference of adding distilled water to the mixture compared to without adding distilled water?
Total volume of sulphur dioxide becomes higher
Concentration of sodium sulphate becomes higher
Total volume of water becomes higher
Time taken reaction complete is higher
- 36. Multiple Choice
When but-1-ene is shaken with bromine water, the brown bromine water is decolourised. What is the product of this reaction?
1,2-dibromobutane
2,3-dibromobutene
1,2-dibromobutene
2,3-dibromobutane
- 37. Multiple Choice
Diagram shows the results of an experiment to investigate the effect of metals on the rusting of iron.
Based on the result above, arrange iron, X and Y in increasing order of electropositivity.
X, iron, Y
Y, iron, X
Iron, X, Y
Iron, Y, X
- 38. Multiple Choice
Diagram 10 shows the energy profile diagram for a reaction between P and Q.
What is the value of X?
+100
+80
-180
+180
- 39. Multiple Choice
What is the additive added in detergent to improve the function of detergent as cleaning agent in hard water?
Lipase
Sodium hypochlorite
Sodium carbonate
Silicones
- 40. Multiple Choice
The properties of the element will change when across the period from left to right in the periodic table of element?
Which of the following show the changes?
Boiling point increase
Basic oxide property increase
Electric conductivity increases
Electronegativity increase
- 41. Multiple Choice
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?
A
B
C
D
- 42. Multiple Choice
Table 8 shows information about four voltaic cells. What is the potential difference of the voltaic cell when metal B is paired with metal D?
1.0V
2.0V
2.5V
3.0V
- 43. Multiple Choice
A factory worker wants to remove the oxide layer on the surface of the steel used to make the body of a car. Which substance is suitable to be used for that purpose?
Soap
Detergent
Dilute hydrochloric acid
Dilute potassium hydroxide
- 44. Multiple Choice
Diagram 11 shows smoke released from a factory. The main substance in the smoke causes the soil in the area to become infertile. Which substance can be used to solve this problem?
Rice husk
Wood ash
Lake water
Table salt
- 45. Multiple Choice
The following information are some of the uses of a manufactured substance Z in industry. Which substance is suitable as Z?
Polymer
Ammonia
Sulphuric acid
Composite material
- 46. Multiple Choice
The reaction between nitric acid and magnesium is complete in 2 minutes and 5 seconds. Maximum volume of gas hydrogen produce is 50cm3. What is the average rate of reaction?
0.4 cm3s-1
2.0 cm3s-1
2.5 cm3s-1
10.0 cm3s-1
- 47. Multiple Choice
The molecular formula shown represents a food flavouring substance.
C3H7COOCH3
Which of the following can be used to make the flavouring?
Methanol and propanoic acid
Propanol and methanoic acid
Butanol and propanoic acid
Methanol butanoic acid
- 48. Multiple Choice
Diagram shows the apparatus set-up to study transfer of electrons at a distance. Which of the following occurs at carbon electrode X and Y respectively?
Y : Oxidation number of ferum changes from +2 to +3
X : Oxidation number of manganese changes from +7 to +3
Y : Brown solution changes to green
X : Purple solution change to colourless
Y : Iron(II) ion is oxidized
X : Manganate(VII) is reduced
Y : Mass of Y increases
X : Mass of X decreases
- 49. Multiple Choice
The reaction between 50cm3 0.1mol dm-3 sodium iodide solution and 50cm3 0.1mol dm-3 lead(II) nitrate solution releases 4200J of heat. What is the change in temperature of the mixture?
[Specific heat capacity of solution = 4.2 J g-1 C-1. Density of solution = 1g cm-3]
2.1 C
8.4 C
10.0 C
20.0 C
- 50. Multiple Choice
Which pairs are correctly matched?V
I and II
I and IV
II and III
III and IV
- 51. Poll
Thank you for studying!
Good luck for Chemistry!
Good luck for SPM!
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