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Chemistry · Oct / Nov 2020 · Paper 12 · Question 13

5070Formulae

Magnesium will react with aqueous copper(II) sulfate to form copper and aqueous magnesium sulfate. What is the correct equation for this reaction?

  1. AMg + CuSO4 → Cu + MgSO4
  2. BMg + Cu2SO4 → 2Cu + MgSO4
  3. C2Mg + CuSO4 → Cu + Mg2SO4
  4. D2Mg + Cu2SO4 → 2Cu + Mg2SO4

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Correct answer: A. Mg + CuSO4 → Cu + MgSO4

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