The function of fluorspar in the electrolytic reduction of alumina dissolved in fused cryolite $(N{a_3}Al{F_6})$ is
The function of fluorspar in the electrolytic reduction of alumina dissolved in fused cryolite $(N{a_3}Al{F_6})$ is
- [IIT 1993]
- A
As a catalyst
- B
To lower the temperature of the melt and to make the fused mixture very conducting
- C
To decrease the rate of oxidation of carbon at the anode
- D
None of the above
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