HCL is heavier than air and highly soluble in water.
Thermal decomposition, or thermolysis, is a chemical decomposition caused by heat
There is no presence of water in dry HCl gas.
The salts produced by the action of ammonia on acids are known as the ammonium salts
The precipitate is insoluble in nitric acid but soluble in ammonium hydroxide.
HCl gas can't be dried using drying agents like P2O5 and CaO
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