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Cryolite is...

Cryolite is

A

`Na_3AlF_6` is used in the electrolytic refining of alumiana.

B

`Na_3AlF_6` is used in the electrolysis of alumina for lowering the melting point and increasing the conductivity of alumiana.

C

`Na_3AlF_6` is used in the electrolysis of alumina for lowering the melting point of alumina only.

D

`Na_3AlF_6` is used in the electrolysis of alumina for decreasing electrical conductively.

Text Solution

Verified by Experts

The correct Answer is:
B
Cryolite lowers the melting point of mixture and increases the conductivity
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