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During Hoppes process for electrolytic refining of `A1`, the middle layer is ofA. cryolite and `NaF_(2)`B. impure aluminiumC. pure `A1`D. alloys of `A1, Ca`and `Si` |
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Answer» Correct Answer - A In the Hoopes proces the midle layer consists of cryolite and `BaF_(2)`. |
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