(a) State one use each of the following non-metals :Hydrogen, Carbon (

1.	(a) State one use each of the following non-metals :Hydrogen, Carbon (as Graphite), Nitrogen, Sulphur(b) Name the metal which is used in making thermometers.
Answer» (a) (i) Hydrogen – Hydrogen is used in the hydrogenation of vegetable oils. (ii) Carbon is used to make electrodes of electrolytic cells and dry cells. (iii) Nitrogen is used in the manufacture of ammonia, nitric acid and fertilizers. (iv) Sulphur is used in making sulphuric acid. (b) Mercury

(a) State one use each of the following non-metals :Hydrogen, Carbon (as Graphite), Nitrogen, Sulphur(b) Name the metal which is used in making thermometers.

Answer»

(a) (i) Hydrogen – Hydrogen is used in the hydrogenation of vegetable oils.

(ii) Carbon is used to make electrodes of electrolytic cells and dry cells.

(iii) Nitrogen is used in the manufacture of ammonia, nitric acid and fertilizers.

(iv) Sulphur is used in making sulphuric acid.

(b) Mercury