In theextractionofaluminiumbyHall -Heroultprocess,purifiedAl _2 O _ 3i – InterviewSolution

1.	In theextractionofaluminiumbyHall -Heroultprocess,purifiedAl _2 O _ 3ismixedwithCaF _ 2to
Answer» lower themelting point of` Al _2 O_ 3 ` increase THECONDUCTIVITY ofmoltenmixture REDUCE` Al^( 3+) `intoAl actsascatalyst ANSWER :A::B

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