Preparation of Ammonia Gas

Copy and complete the following equation:

 $\mathrm{AlN} +3 {\mathrm{H}}_2\mathrm{O} \to$_____.

Ammonia can be obtained by adding water to

Correct the following :

Ammonium salts, on heating, decompose to give ammonia.

Name the gas evolved when the following mixture is heated.

calcium hydroxide and ammonium chloride

Give reasons :

In the lab preparation of ammonia flask is fitted in slanting position.

Give reasons :

In the lab preparation of ammonia calcium hydroxide is used in excess

Give balanced chemical equation for laboratory preparation of ammonia using an ammonium salt.

State your observation: Calcium hydroxide is heated with ammonium chloride crystals.

Nitrogen gas can be obtained by heating: Ammonium chloride

Nitrogen gas can be obtained by heating: Ammonium nitrite

Nitrogen gas can be obtained by heating: Ammonium nitrate

Write balanced equation for: Action of warm water on magnesium nitride.

How is nitrogen gas obtained from Magnesium nitride?

Give reasons :

Conc.${\mathrm{H}}_2{\mathrm{SO}}_4$ is a good drying agent, yet it is not used to dry ${\mathrm{NH}}_3$.

Give reasons :

Ammonium nitrate is not used in the preparation of ammonia.

The following questions are based on the preparation of ammonia gas in the laboratory:

How is ammonia gas collected. Explain why it is not collected over water.

The following question is based on the preparation of ammonia gas in the laboratory:

 Name the compound normally used as a drying agent during the process.

The following question is based on the preparation of ammonia gas in the laboratory:

Explain why ammonium nitrate is not used in the preparation of ammonia.

Rewrite the correct statement with the missing word/s : Magnesium nitride reacts with water to liberate ammonia.

Explain with a diagram the preparation of aqueous ammonia.