Write chemical equations for the reactions taking place when (Sample 1) (i) zinc sulphide is heated in air (ii) calcination of zinc carbonate is done.
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1. ZnS + heat ---> Zn + S
2. ZnCO3 + heat --->
---> ZnO + CO2
Again,
ZnO +C ---> Zn + CO
2. ZnCO3 + heat --->
---> ZnO + CO2
Again,
ZnO +C ---> Zn + CO
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