Question

what is role of silica in the metallurgy of copper

Answer 1

The role of silica in the metallurgy of copper is to remove the iron oxide obtained during the process of roasting

Answer 2

The silica is used to react with the slug to separate the slug from the ore of copper
It is added to a ore which is basic in nature.

Eg:    FeO        +  SiO2      ------>      FeSiO3
      (gangue)         (silica)                   (calcium silicate)

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