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Question

Extaction of zinc from zinc blende is achieved by

A
Electrolytic reduction
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B
Roasting followed by reduction with carbon
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C
Roasting followed by reduction with another metal
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D
Roasting followed by self-reduction
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Solution

The correct option is B Roasting followed by reduction with carbon
Extraction of Zn from ZnS (Zinc blende) is achieved by roasting followed by reduction with carbon.
2ZnS+3O22ZnO+2SO2
2ZnO+C2Zn+CO2.

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