Which of the following reactions represents the removal of silica from iron ore in a blast furnace?SiO2(s) → SiO2(g)SiO2(s) + CaO(s) → CaSiO3(l)SiO2(s) + 4HF(g) → SiF4(g) + 2H2O(g)SiO2(s) + C(s) → Si(l) + CO2(g)SiO2(s) + CO(g) → SiCO3(l)
SiO2(s) + CaO(s) → CaSiO3(l)
