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Cryolite is:...

Cryolite is:

A

`Na_(3)A1F_(6)`and is used in the electroysis of alumina for decreasing electrial conductivity.

B

`Na_(3)A1F_(6)` and is used in the electroysis of alumina for lowering the melting point of alumina.

C

`Na_(3)A1F_(6)`and is used in the electroytic purification of alumina.

D

`Na_(3)A1F_(6)`and is used in the electroysis of alumina for increasing the melting point and electrical conductivity.

Text Solution

Verified by Experts

The correct Answer is:
B
Cryolite is `Na_(3)A1F_(6)` and is used in the electroysis of alumina. It reduces the melting point of alumina and increase the electrical conductivity of electrolyte.
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