Give the equation for the reaction — ammonium chloride is heated with sodium hydroxide.

With respect to the manufacture of ammonia, answer the following :

(i) Name the process.

(ii) State the ratio of the reactants taken?

(iii) State the catalyst used.

(iv) Give the equation for the manufacture of the gas ammonia.

Name two gases which can be used to study the fountain experiment. State the common property demonstrated by the fountain experiment ?

State what is observed when – Ammonium hydroxide is first added in a small quantity and then in excess to a solution of copper sulphate.