The chemical composition of 'slag' formed during the smelting process in the extraction of copper is________.
A
Cu2O+FeS
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B
FeSiO3
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C
CuFeS2
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D
Cu2S+FeO
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Solution
The correct option is BFeSiO3 The chemical composition of 'slag' formed during the smelting process in the extraction of copper is FeSiO3. SiO2flux+FeOgamgue→FeSiO3slag