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ICSE Class 10 Chemistry Question 29 of 53

Study of Compounds — Hydrogen Chloride — Question 29

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Question 1(2015)

Select from the gases — ammonia, ethane, hydrogen chloride, hydrogen sulphide, ethyne — The gas which produces dense white fumes with ammonia gas.

Answer

Hydrogen chloride

NH3 [g] + HCl [g] ⟶ NH4Cl (s-solid)

When a gas jar containing HCl gas in inverted over a jar full of ammonia gas, dense white fumes are formed. These fumes consists of particles of solid ammonium chloride suspended in air.