A sulphide ore like `ZnS` is first roasted into its oxide prior to reduction by carbon because:A. a sulphide ore cannot be reduced to metal at allB. no reducing agent is found suitable for reducing a sulphide oreC. the enthalpy of formation of `CO_(2)` is more than that of `CS_(2)`D. a metal oxide is generally less stable than the metal sulphide

A sulphide ore like `ZnS` is first roasted into its oxide prior to red

1.	A sulphide ore like `ZnS` is first roasted into its oxide prior to reduction by carbon because:A. a sulphide ore cannot be reduced to metal at allB. no reducing agent is found suitable for reducing a sulphide oreC. the enthalpy of formation of `CO_(2)` is more than that of `CS_(2)`D. a metal oxide is generally less stable than the metal sulphide
Answer» Correct Answer - d

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