In the electrolysis of alumina , cryolite and CaF_(2) areadded to – InterviewSolution

1.	In the electrolysis of alumina , cryolite and CaF_(2) areadded to
Answer» increase the emf of CELL decrease the emf of cell decrease the melting point Both (b) and (c) SOLUTION :CRYOLITE and `CaF_2`(fluorspar) are added to alumina in its electrolysis to decrease its melting point and to increase the electrical conductivity .

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