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 for reductionC. to lower the temperature of the melt.D. to decrease the rate of oxidation of carbon at the anode

Answer» Correct Answer - B::C


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