Question

How could you identify the bottle containing HCl using ammonia gas?

Answer 1

Answer:

A bottle containing HCl can be identified by passing ammonia gas through its top, due to white fumes arising from it.

Explanation:

Ammonia is a colourless gas with a pungent odour, constantly produced in the nature, in the Nitrogen cycle.

HCl (hydrochloric acid), on the other hand, is a stong, corrosive acid which occurs naturally, too.

These, two, when in contact with each other, form a salt by the name Ammonium Chloride, which gives out white fumes, when really concentrated.

$HCl + NH_3 \rightarrow NH_4Cl$

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