A) \[C{{u}_{2}}O+FeS\]
B) \[FeSi{{O}_{3}}\]
C) \[CuFe{{S}_{2}}\]
D) \[C{{u}_{2}}S+FeO\]
Correct Answer: B
Solution :
In the smelting process of copper from copper pyrites the following reactions takes place \[\Delta {{I}_{b}}=15\mu A=15\times {{10}^{-6}}A\] \[{{R}_{L}}=5k\Omega =5\times {{10}^{3}}\Omega \]
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