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Q.

 Extraction of zinc from zinc blende is achieved by

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a

electrolytic reduction

b

roasting followed by reduction with carbon

c

roasting followed by reduction with another metal

d

roasting followed by self reduction

answer is B.

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Detailed Solution

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  Extraction of zinc from zinc blende is done by roasting followed by reduction with carbon. Zinc blende(ZnS) is sulphide ore and it is heated in the presence of air called roasting.

Hence, option (B) is correct.

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 Extraction of zinc from zinc blende is achieved by