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Pb and Sn are extracted from their chief ore by `:`A. Carbon reduction, self-reductionB. Self-reduction, carbon reductionC. Electrolytic reduction, cyanide processD. Cyanide process, electrolytic reduction |
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Answer» Correct Answer - B `PbS + 2PbO rarr 3Pb + SO_(2)` (self-reduction) `SnO + C rarr Sn + CO` (Carbon reduction). |
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