Extraction of Zinc from zinc blende is achieved by ___________.

electrolytic reduction

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roasting followed by reduction with carbon

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roasting followed by reduction with another metal

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roasting followed by self-reduction

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Solution

The correct option is B roasting followed by reduction with carbon
Zinc is metal which is present in nature in the form of ore zinc blende. For extraction of zinc from zinc blende first it is roasted then it is reduced with carbon. Finally electrorefining is performed.
$2 Z n S + 3 O_{2} Δ - \to 2 Z n O + 2 S O_{2}$
$Z n O + C \to Z n + C O$

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