Which of the following processes represents 'roasting'? – McqOptions

MCQOPTIONS

1.	Which of the following processes represents 'roasting'?
A.	Fe2O3 + 3C \(\xrightarrow{\Delta }\) 2Fe + 3CO
B.	2PbS + 3O2 \(\xrightarrow{\Delta }\) 2PbO + 2SO2
C.	ZnCO3 \(\xrightarrow{\Delta }\) ZnO + CO2
D.	Al2O3 . 2H2O \(\xrightarrow{\Delta }\) Al2O3 + 2H2O
Answer» C. ZnCO3 \(\xrightarrow{\Delta }\) ZnO + CO2

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