A) \[C{{u}_{2}}S\]
B) \[Si{{O}_{2}}\]
C) \[CuSi{{O}_{3}}\]
D) \[FeSi{{O}_{3}}\]
Correct Answer: D
Solution :
The slag obtained during the extraction of copper from copper pyrites is of\[FeSi{{O}_{3}}\]. It is carried out in smelting. \[FeO+Si{{O}_{2}}\xrightarrow{{}}\underset{Slag}{\mathop{FeSi{{O}_{3}}}}\,\]
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