A-LevelChemistryNitrogen and sulfur9701/12 · Oct/Nov 2025 · Q241 Mark

Four reaction mixtures are listed. 1 (NH4)2SO4(aq) and NaOH 2 NH4Cl(aq) and Ba(OH)2 3 NH4Cl(aq) and Na2O 4 (NH4)3PO4(aq) and HCl Which reaction mixtures produce ammonia as a product?

A1, 2 and 3

B1 and 2 only

C2 and 3 only

D3 and 4 only

✓ Correct answer

A: 1, 2 and 3

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Topic: Nitrogen and sulfur, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, Oct/Nov 2025 Paper 1 Variant 2, question 24.

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