Question

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?
A NH4Cl B NH4NO3 C (NH4)2CO3 D (NH4)2SO4

Answer 1

Answer:

Addition of hot concentrated sodium hydroxide gives ammonia gas from ammonium chloride and ammonium sulphate.

Explanation:

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