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chemistry igcse acapprinted 87 · PDF 87
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Past Paper Questions
P2
Which of the following metals is extracted from its ore using electrolysis?
A) Iron
B) Copper
C) Aluminum
D) Zinc
Answer: C) Aluminum
Which metal is commonly used for making electrical wires?
A) platinum
B) Steel
C) Bronze
D) Copper
Answer: D) Copper
What is the primary purpose of adding carbon to iron when making steel?
A) To improve ductility
B) To increase strength
C) To reduce cost
D) To prevent rusting
Answer: B) To increase strength
Which of the following statements about the reactivity of metals is correct?
A) Gold is more reactive than iron.
B) Sodium can displace copper from copper sulfate solution.
C) Magnesium is less reactive than zinc.
D) Potassium is less reactive than calcium.
Answer: B) Sodium can displace copper from copper sulfate solution.
In the extraction of iron from its ore in a blast furnace, which gas is produced by the reaction of
coke with oxygen?
A) Carbon dioxide
B) Carbon monoxide
C) Methane
D) Hydrogen