1.

In the smelting of roasted copper pyrites ore, melting occurs so that the first reaction is

A. All the sulphur preferentially combines with iron to form \[FeS\] and \[CuO\] is formed
B. All the sulphur preferentially combines with copper to form \[CuS\] and \[FeO\] is formed
C. All the sulphur preferentially combines with iron to form \[FeS\] and \[C{{u}_{2}}O\] is formed
D. All the sulphur preferentially combines with copper to form \[C{{u}_{2}}S\] and \[FeO\] is formed
Answer» B. All the sulphur preferentially combines with copper to form \[CuS\] and \[FeO\] is formed


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