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O-LevelChemistryRates of Reaction5070/12 · May/June 2023 · Q151 Mark

What is the best way of slowing down the reaction between magnesium and sulfuric acid?

Aadding a catalyst to the reactants

Bdiluting the acid used in the reaction

Cstirring the reagents

Dusing magnesium powder instead of a strip of magnesium

✓ Correct answer

B: diluting the acid used in the reaction

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About this question

Topic: Rates of Reaction, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2023 Paper 1 Variant 2, question 15.

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