Q. 365.0( 1 Vote )

Why is sulphide ore of copper heated in a furnace after mixing with silica?

Answer :

Sulphide ore of copper is heated in a furnace after mixing with silica because the iron impurities present in the ore can form a slag with silica and will be easily removed. The copper is produced as copper matte.

FeO + SiO2 FeSiO3(slag)


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