1.

Write two important uses of each of the following: (i)Sodium carbonate (ii)Sodium Hydroxide (iii)Sodium hydrogen carbonate

Answer»

(i) Sodium carbonate :for softening of hard water ,laboratory reagent. 

(ii) Sodium hydroxide: in the manufacture of soap, in the purification of bauxite. 

(iii) Sodium hydrogen carbonate: as a mild antiseptic, as an antacid.



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