List any five important uses of non metals. [5 MARKS]

Uses : 1 Mark each

(i) Sulphur is used in vulcanization of rubber, which makes rubber sufficiently hard to produce tires.
(ii) Phosphorus is used in making phosphatic fertilizers.
(iii) Graphite is used in making lead of pencils.
(iv) Hydrogen can be used as a fuel that will be a non-polluting option of fuel.
(v) Chlorine is added to water for purification purpose.