Chemistry - Metallurgy Question with Solution | TestHub

(A) $\mathrm{CaO}+{\mathrm{SiO}}_2\to {\mathrm{CaSiO}}_3$ (in the temperature range $900-1500\mathrm{K}$ )

(B) In fusion zone molten iron becomes heavy by absorbing elemental impurities and produces Pig iron. (in the temperature range 900-1500 K)

(C) $\mathrm{C}+{\mathrm{CO}}_2\to 2\mathrm{CO}$ (in the temperature range $900-1500\mathrm{K}$ )

(D) Exhaust gases does not contain ${\mathrm{NO}}_2$.