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Which solution is used as electrolyte in the extraction of aluminium metal ?A. `Al_(2)O_(3).H_(2)O`B. `Al_(2)O_(3) " and " Na_(3)AlF_(6)` (molten solution)C. `Al_(2)O_(3)`D. None of these |
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Answer» Correct Answer - B Molten solution of `Al_(2)O_(3) " and " Na_(3)AlF_(6)` is used as electrolyte because `Al_(2)O_(3)` as such is a poor conductor of electricity. |
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