O-LevelChemistryAcids, Bases & Salts5070/11 · May/June 2015 · Q321 Mark
An ammonium salt was added to excess hot aqueous sodium hydroxide. Ammonia gas was evolved. When no more ammonia was evolved, aluminium was added to the solution remaining and more ammonia gas was given off. What was the ammonium salt?
ANH₄Cl
BNH₄NO₃
C(NH₄)₂CO₃
D(NH₄)₂SO₄
✓ Correct answer
B: NH₄NO₃
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