1.

which of the following statements , about the advantage of roasting of sulphide ore before reduction is not true ?

Answer»

The `Delta_fG^@` of the SUPHIDE is GREATER than those for `CS_2 and H_2S`
The `Delta_fG^@` is negative for roasting of sulphite ore to oxide .
Roasting of the SULPHIDE to the oxide is thermodynamically feasible.
Carbon and HYDROGEN are SUITABLE reducing agents for metal sulphides.

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