Electrolytic reduction of alumina to aluminium by Hall-Heroult process is carried out in the presence of [IIT-JEE (Screening) 2000]

Cryolite which forms a melt with higher melting temperature

Cryolite which forms a melt with lower melting temperature

Electrolytic reduction of alumina to aluminium by Hall-Heroult process

1.	Electrolytic reduction of alumina to aluminium by Hall-Heroult process is carried out in the presence of [IIT-JEE (Screening) 2000]
A.	\[NaCl\]
B.	Fluorite
C.	Cryolite which forms a melt with lower melting temperature
D.	Cryolite which forms a melt with higher melting temperature
Answer» D. Cryolite which forms a melt with higher melting temperature