1.

The major role of fluorpar (`CaF_2` ) which added in small quantities in the electrolyte reduction of alumina dissolved in fused cryolite `(N_(3)AlF_(6)` ) isA. as a catalystB. to make the fused mixture very conducting to lower the temperature of the meltC. to lower the temperature of the meltD. to decrease the rate of oxidation of carbon at anode.

Answer» Correct Answer - B::C
Fluorspar when added to alumina and cryolite make the fused mixture very conducting and reduce the melting point of the mixture.


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