What is the role of silica in the extraction of copper?
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silica is used as a flux in the extraction of copper, to remove impurities of iron
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Hey !!
In the extraction of copper, silica (SiO₂) acts as a ''flux''. It reacts with FeO and removes it as the slag (FeSiO₃).
FeO + SiO₂ -----> FeSiO₃
(Flux) (Slag)
Good luck !!
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