Question

Ammonia is brought in contact of hydrogen chloride gas

Answer 1

Answer:

It can be a test for th presence of ammonia. Concentrated ammonia solution is placed on a pad in one end of a tube and concentrated hydrochloric acid on a pad at the other. After about a minute the gases diffuse far enough to meet and a ring of solid ammonium

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Answer 2

Answer:

Because

A white solid fume of NH4CL is obtained .

It can be a test for the presence of ammonia.

NH3 (g)+HCL (g)=NH4CL (s)

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