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Chemistry · May / June 2016 · Paper 12 · Question 27

5070Reactivity series

Which oxide can be reduced to the metal by roasting with powdered iron?

  1. Acalcium oxide
  2. Bcopper(II) oxide
  3. Cmagnesium oxide
  4. Dzinc oxide

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Correct answer: B. copper(II) oxide

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