What mineral is used in its molten state as a necessary part of the Hall-Heroult process? | ICStudy

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What mineral is used in its molten state as a necessary part of the Hall-Heroult process?

A.

Cryolite [KRY-uh-lyt]

B.

Kaolin

C.

Bentonite

D.

Malachite [MAL-uh-kyt]

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