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.

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