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NEET Sample Paper NEET Sample Test Paper-90

  • question_answer
    Electrolytic reduction of alumina to aluminium by Hall- Heroult process is carried out

    A) in the presence of NaCl

    B) in the presence of fluorite

    C) in the presence of cryolite which forms a melt with lower melting temperature

    D)  in the presence of cryolite which forms a melt with higher melting temperature

    Correct Answer: C

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