During electrolytic refining of Alumina, the molten electrolyte used contains _______ .

Cryolite

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Fluorspar

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Pure alumina

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All of the above

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Solution

The correct option is D All of the above
During electrolytic refining of Alumina, the molten electrolyte used contains pure alumina $(A l_{2} O_{3})$ . The electrolyte consists of alumina dissolved in fused Cryolite (Na $_{3}$ AlF $_{6}$ ) and Fluorspar(CaF $_{2}$ ).

Hence, the correct option is $D$ .

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During electrolytic refining of Alumina, the molten electrolyte used contains _______ .

The correct option is D All of the aboveDuring electrolytic refining of Alumina, the molten electrolyte used contains pure alumina (Al2O3). The electrolyte consists of alumina dissolved in fused Cryolite (Na3AlF6) and Fluorspar(CaF2).Hence, the correct option is D.