Extraction of Metals - Result Question 26

####26. Extraction of zinc from zinc blende is achieved by

(a) electrolytic reduction

(2007, 3M)

(b) roasting followed by reduction with carbon

(c) roasting followed by reduction with another metal

(d) roasting followed by self-reduction

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Solution:

  1. Zinc blende contain ZnS which is first roasted partially and then subjected to reduction with carbon

ZnS+O2ZnO+SO2 Roasting  ZnO+CΔZn+CO Carbon reduction 



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