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Electrolytic reduction of alumina to alu...

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

A

In the presence o fNaCl.

B

In the presence of fluorite.

C

IN the presence of cryolite which forms a melt with lower melting temparature .

D

In the presence of cryoltie which forms a melt with higher melting temparature.

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The correct Answer is:
c
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Statement-1:Electrolytic reduction of alumina to aluminium by Hall-Heroult process is carried in the presence of cryolite. Statement-2:Cryolite contains aluminium.

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