Ncert Exercises & Solutions

Question 10.18:

Describe two important uses of each of the following:

(i) caustic soda

(ii) sodium carbonate

(iii) quicklime.

(i) Uses of caustic soda

(a) It is used in soap industry.

(b) It is used as a reagent in laboratory.

(ii) Uses of sodium carbonate

(a) It is generally used in glass and soap industry.

(b) It is used as a water softener.

(iii) Uses of quick lime

(a) It is used as a starting material for obtaining slaked lime.

(b) It is used in the manufacture of glass and cement.