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Chemistry · May / June 2023 · Paper 11 · Question 18

5070Redox

Which method of preparation of magnesium sulfate is an example of a redox reaction?

  1. AMg + H₂SO₄ → MgSO₄ + H₂
  2. BMgO + H₂SO₄ → MgSO₄ + H₂O
  3. CMg(OH)₂ + H₂SO₄ → MgSO₄ + 2H₂O
  4. DMgCO₃ + H₂SO₄ → MgSO₄ + H₂O + CO₂

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Correct answer: A. Mg + H₂SO₄ → MgSO₄ + H₂

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