1.

State two uses each of the following compounds :(a) Sodium hydroxide(b) Chlorine(c) Hydrogen(d) Hydrochloric acid

Answer»

(a) Sodium hydroxide:

(i) It is used for making soaps and detergents.

(ii) It is used in the manufacture of paper.

(b) Chlorine:

(i) It is used in the production of bleaching powder.

(ii) It is used in the production of hydrochloric acid.

(c) Hydrogen:

(i) It is used in the production of hydrochloric acid.

(ii) It is used in the hydrogenation of oils.

(d) Hydrochloric acid:

(i) It is used in medicines and cosmetics.

(ii) It is used in textile/dyeing and tanning industries.


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