JEE Main 20238 Apr, Evening shiftChemistryEasyIsolation of Elements99× since 2002In Hall - Heroult process, the following is used for reducing Al2O3\mathrm{Al}_{2} \mathrm{O}_{3}Al2O3 :-AOption A. MagnesiumBOption B. CaF2\mathrm{CaF}_{2}CaF2COption C. GraphiteDOption D. Na3AlF6\mathrm{Na}_{3} \mathrm{AlF}_{6}Na3AlF6CheckSkip · show solution