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The role of fluorspar (CaF2) which is ad...

The role of fluorspar `(CaF_2)` which is added in small quantities in the electrolytic reduction of alumina dissolved in fused cryolite `(Na_3AIF_6) `is :

A

As a catalyst

B

To make the fused mixture very conducting

C

To increase the temperature of the melt

D

The decrease the rate of oxidation of carbon at the anode

Text Solution

Verified by Experts

The correct Answer is:
B
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