Question

State five uses of non-metals.

Answer 1

1. Hydrogen is used in the hydrogenation of vegetable oils to make vegetable ghee (or vanaspati ghee).
2. Hydrogen is used in the manufacture of ammonia (whose compounds are used as fertilisers).
3. Liquid hydrogen is used as a rocket fuel.
4. Carbon (in the form of graphite) is used to make the electrodes of electrolytic and dry cells.
5. Nitrogen is used in the manufacture of ammonia, nitric acid and fertilisers.
6. Due to its inertness, nitrogen is used to preserve food materials.
7. Nitrogen compounds, such as trinitrotoluene (TNT) and nitroglycerin, are used as explosives.
8. Sulphur is used for manufacturing sulphuric acid.
9. Sulphur is used as a fungicide and in making gun powder.
10. Sulphur is used in the vulcanisation of rubber.