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  4. Extraction for zinc from zinc blende is achieved by

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Q. Extraction for zinc from zinc blende is achieved by

General Principles and Processes of Isolation of Elements

Solution:

Zinc blende is roasted and then treated with coke for the reduction.
$2 ZnS +3 O _2 \xrightarrow{\Delta} 2 Zn 0+2 SO _2 \uparrow$
$ ZnO + C \xrightarrow{\Delta}Zn + CO \uparrow$