1.

Cryolite is chemically

Answer»

`Na_(3) AlF_(6) ` andis used in the ELECTROYSIS of alumina for increasing electrical CONDUCTIVITY
`Na_(3) AlF_(6)`and is used in the ELECTROLYSIS of alumina for increase the melting POINT of alumina
`Na_(3) AlF_(6)` and is used in the electrolytic purification of alumina
`Na_(3) AlF_(6)` and is used in the electrolysis of alumina

Answer :A


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