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in Chemistry by (74.3k points)

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

1 Answer

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Best answer

Correct option:  (c) in the presence of cryolite which forms a melt with lower melting temperature

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