Question 10.18 Describe two important uses of each of the following:
(i) caustic soda
(ii) sodium carbonate
(iii) quicklime.
Class XI The s-Block Elements Page 306
(i) caustic soda
(ii) sodium carbonate
(iii) quicklime.
Class XI The s-Block Elements Page 306
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Caustic soda :(i) It is used in the manufacture of soap, paper, artificial silk, etc.
(ii)It is used in the textile industries for mercerising cotton fabrics
Sodium carbonate:
(i) it is used in water softening, laundering and cleaning.
(ii) it is also used in the manufacturing of glass,soap, Borax, caustic soda etc.
Quicklime :
(i) it is used in the manufacturing of sodium carbonate from caustic soda .
(ii) it is employed in the purification of sugar and in the manufacturing of dyestuffs.