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Which is correct process-mineral group in metallurgical extraction ?A. Leaching : `Ag`B. Van Arkel : `Zr`C. Liquation : `Sn`D. Zone refining : `Sn` |
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Answer» Correct Answer - A::B::C Redining of impure `Sn` cannot be done by zone-refining process , other options are correct. |
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