1.

When borax is heated in a platinum loop, the transparent bead formed contains

Answer»

`Na_(2)B_(4)O_(7)`
SODIUM metaborate +`B_(2)O_(3)`
Water
CaO

Solution :`UNDERSET("Borax")(Na_(2)B_(4)O_(7)).10H_(2)O overset(DELTA)to underset("sodium metaborate")(2NaBO_(2))+underset("Boric anhydride")(B_(2)O_(3))`


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