State as to why:
(a) A solution of Na2CO3 is alkaline?
(b)alkali metals are prepared by electrolysis of their fused chlorides ?
(c)sodium is found to be more useful than potassium ?
(a) A solution of Na2CO3 is alkaline?
(b)alkali metals are prepared by electrolysis of their fused chlorides ?
(c)sodium is found to be more useful than potassium ?