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Chemistry · May / June 2018 · Paper 11 · Question 30

5070Reactivity series

Which statement about the reactions of some metals and metal compounds is correct?

  1. ACopper reacts with dilute hydrochloric acid to form hydrogen.
  2. BSodium oxide is reduced to sodium metal by heating with carbon.
  3. CZinc carbonate is more thermally stable than sodium carbonate.
  4. DZinc displaces copper from aqueous copper(II) sulfate.

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Correct answer: D. Zinc displaces copper from aqueous copper(II) sulfate.

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