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The majore role of flurospar (CaF(2)) wh...

The majore role of flurospar `(CaF_(2))` which is added in small quantities in the electrolytic reduction of aluminia dissolved in fused cryolite `(Na_(3)AIF_(6))` is:

A

as a catalyst

B

o make the fused mixture very conducting

C

to lower the temperature of the melt

D

to decrease the rate of oxidation of carbon at the anode.

Text Solution

Verified by Experts

The correct Answer is:
B, C
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