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A-LevelChemistryEquilibria9701/12 · May/June 2025 · Q211 Mark

A reaction occurs when ammonium chloride is added to calcium hydroxide. What is the role of the ammonium ions in this reaction?

Aacid
Bbase
Coxidising agent
Dreducing agent

✓ Correct answer

A: acid

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About this question

Topic
Equilibria, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source
A-Level Chemistry, May/June 2025 Paper 1 Variant 2, question 21.

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