By which method conversion of ZnS and ZnCO3 into ZnO can be carried out? Explain writing chemical equation.
The method of roasting is used for the conversion of ZnS to ZnO in which ZnS is heated in excess of air.
The chemical equation is:
The method of calcination is used for the conversion of ZnCO3 to ZnO in which ZnCO3 is heated in absence of air.
The chemical equation is:
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