Give reasons for the following —

(a) Liquid ammonia is used as a refrigerant in ice plants.

(b) Aqueous solution of ammonia is used for removing grease stains from woollen clothes.

(c) Aqueous solution of ammonia gives a pungent smell.

(d) Aqueous solution of ammonia conducts electricity.

Write balanced chemical equation for the following:

(a) Ammonium hydroxide is added to ferrous sulphate solution.

(b) Magnesium nitride is treated with warm water.

(c) Ammonium chloride is heated with sodium hydroxide.

(d) Chlorine reacts with excess of ammonia.

(e) Ammonia and Oxygen in the presence of a catalyst.

(f) Reduction of hot copper (II) oxide to copper using Ammonia gas.

(g) To illustrate the reducing nature of ammonia.

(h) Lab. preparation of ammonia using an ammonium salt.

(i) Reaction of ammonia with excess of chlorine.

(j) Reaction of ammonia with sulphuric acid.

(k) When excess of ammonia is treated with chlorine.

Write a relevant equation, to show that ammonia can act as a reducing agent

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