Question

name a white crystalline substance which sublimes on heating

Answer 1

camphor
ammonium chloride

Answer 2

The white crystalline substance sublimes on heating is Ammonium Chloride, and Camphor.

Explanation:

• Ammonium Chloride is a solid-crystalline white salt.

• It is obtained from the Sodium Carbonate $(Na_2CO_3)$ in the process of Solvay Method.

• It is used for preparing fertilisers, cough syrups, batteries and even in preparing the foods like bread, samosas and in some sweets.

• It sublimes when it gets heated because when it is heated it decomposes into hydrochloric gas and ammonia gas as well, directly.

• Even the camphor, will sublimes in heating, which is used as the vaporubs, "treat toenail fungus, warts, insect bites".

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