Aluminum metal is produced by
A) reduction of Al2O3 with carbon.
B) electrolysis of a molten mixture of alumina, Al2O3, and cryolite, Na3AlF6.
C) treatment of Al2O3 with sodium hydroxide.
D) the thermite reaction.
E) electrolysis of brine containing Al2(SO4) 3.
Correct Answer:
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