laboratory preparation of ammonia gas figure | Laboratory Method of Preparation of Ammonia Gas Easy

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14.9 هزار بار بازدید - 2 سال پیش - how to draw laboratory preparation
how to draw laboratory preparation of ammonia gas figure step by step in easy way every student need this laboratory preparation of ammonia gas labelled diagram.

Ammonia is easily made in the laboratory by heating an ammonium salt, such as ammonium chloride NH4Cl with a strong alkali, such as sodium hydroxide or calcium hydroxide. The gas may also is made by warming concentrated ammonium hydroxide.

Preparation in Laboratory
In the laboratory, ammonia is made by heating the ammonium chloride with a quenched lime.

2NH4Cl + Ca(OH)2 → CaCl2 + 2H2O + 2NH3

In a rigid glass tube, a mixture of ammonium and quenched lime is heated. The received ammonia gas is collected from the gas jar by downward displacement of air.

Before being collected in a gas jar, it is passed onto CaO, which removes the moisture of this gas.
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