Describe two important uses of each of the following : (i) caustic soda (ii) sodium carbonate (iii) quicklime.
Uses of caustic soda: (a) manufacture of soap, artificial silk, paper and other chemicals. (b) the textile industry for mercerizing cotton fabrics. Uses of sodium carbonate: (a) softening hard water. (b) washing purposes in the laundry. Uses of quicklime: (a) in the manufacture of sodium carbonate from NaOH. (b) as a flux in metallurgy.
