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An Intiative by Sri Chaitanya
a
The ΔfGΘ of the sulphide is greater than those for CS2 and H2S
b
C and H2 are suitable reducing agents for metal sulphides.
c
Roasting of the sulphides to the oxides is thermodynamically feasible.
d
The ΔfGΘ is negative for roasting of sulphide ore to oxide.
answer is B.
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