State the relevant reason for the following:

(a) Concentrated alkali is used for the concentration of bauxite ore.

(b) Fused alumina is reduced to aluminium by electrolysis.

Identify the terms for the following:

(a) The process used to purify Alumina by electrolytic reduction.

(b) The experiment used to demonstrate the high solubility of HCl gas.

(c) The chemical property of sulphuric acid to form two types of salts with an alkali.

Complete the table given below which refers to the Laboratory preparation of Ammonia gas:

Write balanced equation for the following conversions:

(a) Carbon from cane sugar and concentrated sulphuric acid.

(b) Ferric nitrate from ferric hydroxide and nitric acid.

(c) Ammonium sulphate from ammonium hydroxide and sulphuric acid.