TG EAMCET 2 May 2025 Shift 1 Paper

Reaction (a) i.e
2Cu2S+3O2→2Cu2O+2SO2
copper extraction via roasting.
Reaction (b) i.e
2FeS+3O2→2FeO+2SO2 is use to remove iron oxide from copper ore.
Reaction (c) i.e
FeO+SiO2→FeSiO3 is removal of slag in copper extraction.
SiO2+CaO→CaSiO3 is not related to copper extraction.