The metallic aluminium is obtained from pure alumina in the presence
of fused cryolite by
(A) Electrolysis
(B) Electrolytic reduction
(C) Electrolytic oxidation
(D) None of these
of fused cryolite by
(A) Electrolysis
(B) Electrolytic reduction
(C) Electrolytic oxidation
(D) None of these