1.

Which of the following factors is of no significance for roasting sulphide ore to the oxide and not subjecting sulphide ore to carbon reduction directly ?

Answer»

`CO_(2)` is more volatile than`CS_(2)`
Metal sulphides are thermodynamically more stable than `CS_(2)`
`CO_(2)` is thermodynamically more stable than `CS_(2)`
Metal sulphides are less stable than the CORRESPONDING oxides.

Solution :`CS_(2)` is more volatile than `CO_(2)`. THEREFORE this option is of no significance.


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