O-LevelChemistryMetals & Reactivity5070/11 · May/June 2023 · Q181 Mark

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

AMg + H2SO4 → MgSO4 + H2

BMgO + H2SO4 → MgSO4 + H2O

CMg(OH)2 + H2SO4 → MgSO4 + 2H2O

DMgCO3 + H2SO4 → MgSO4 + H2O + CO2

✓ Correct answer

A: Mg + H2SO4 → MgSO4 + H2

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Topic: Metals & Reactivity, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2023 Paper 1 Variant 1, question 18.

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