MetallurgyHard
Question
The extraction of zinc from zinc blende involves :
Options
A.the electrolytic reduction.
B.the roasting followed by reduction with carbon.
C.the calcination followed by reduction with another metal.
D.the roasting at molten temperature.
Solution
2ZnS + 3O2 
2ZnO + 2SO2
ZnO + C
Zn + CO.
Therefore, (B) option is correct.
2ZnO + 2SO2ZnO + C
Zn + CO.Therefore, (B) option is correct.
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