Give equation for – reaction in which NH₃ is oxidized by :

(i) a metal oxide

(ii) a gas which is not oxygen

You enter a laboratory after a class has completed the Fountain Experiment. How will you be able to tell whether the gas used in the experiment was hydrogen chloride or ammonia.

Write a balanced chemical equation to illustrate the reducing nature of ammonia.

With reference to Haber’s process, write the equation and the conditions required.