Electrolytic reduction of alumina to alu...

Electrolytic reduction of alumina to aluminium by Hall-Heroult process is carried out

A

in the presence of NaCl

B

in the presence of fluorite

C

in the presence of cryolite which forms a melt with lower melting temperature

D

in the presence of cryolite which forms a melt with higher melting temperature

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The correct Answer is:

C

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