Extaction 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
Extraction of $Z n$ from $Z n S$ (Zinc blende) is achieved by roasting followed by reduction with carbon.
$2 Z n S + 3 O_{2} \to 2 Z n O + 2 S O_{2}$
$2 Z n O + C \to 2 Z n + C O_{2}$ .

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Write chemical reactions taking place in the extraction of zinc from zinc blende.

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