What is the role of sio2 in the extraction of copper from copper matte?
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Answer: Silica (SiO2) is used in the processes of smelting of copper pyrite (CuFeS2) ore and in conversion of produced copper matte (refined copper sulfide) into a crude metal as a flux (purifying agent). ... The iron sulfide is also converted into molten slag (reaction is shown above).
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Hey !!
It acts as flux to remove iron oxide as silicate (slag).
FeO + SiO₂ -----> FeSiO₃ (Slag)
Good luck !!
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