MetallurgyHard

Question

Which one of the following reactions is an example of calcination process ?

Options

A.2 Ag + 2HCl + [O] → 2 AgCl + H2O
B.2 Zn + O2 → 2 ZnO
C.2 ZnS + 3O2 → 2 ZnO + 2 SO2
D.MgCO3 → MgO + CO2

Solution

Conversion of a carbonate into oxide is an example of calcination
        MgCO3 MgO + CO2 ↑.

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