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Questions  >>  JEEMAIN and NEET  >>  NEET PAST PAPERS  >>  2012
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Q)

Aluminium is extracted from alumina $(Al_2O_3)$ by electrolysis of a molten mixture of :


( A ) $Al_2O_3+HF+NaAlF_4$
( B ) $Al_2O_3+KF+Na_3AlF_6$
( C ) $Al_2O_3+Na_3AlF_6+CaF_2$
( D ) $Al_2O_3+CaF_2+NaAlF_4$

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