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Chemistry · May / June 2024 · Paper 12 · Question 28

5070Reactivity series

Which statement is correct?

  1. ACopper is unreactive because of an oxide layer.
  2. BGold and silver are used to make jewellery because they corrode very slowly.
  3. CMagnesium can be displaced from aqueous solutions of its ions by adding aluminium.
  4. DZinc gains electrons more readily than magnesium gains electrons.

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Correct answer: B. Gold and silver are used to make jewellery because they corrode very slowly.

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