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Question

Zinc blende on roasting in air gives:

A
ZnCO3
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B
ZnO and SO2
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C
ZnS and ZnSO4
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D
ZnO and CO2
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Solution

The correct option is B ZnO and SO2
Zinc blende is an ore of zinc, with the major component as ZnS. This is the reaction that happens:
2ZnS+3O22ZnO+3SO2

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