MEDIUMMCQ SINGLENEET ChemistryInorganic ChemistryMetallurgyPrevious Year Questions
The following reactions take place in the blast furnace in the preparation of impure iron. Identify the reaction pertaining to the formation of the slag. (AIPMT 2011)
A.Fe2O3(s) + 3CO(g) → 2Fe(l) + 3CO2(g)
B.CaCO3(s) → CaO(s) + CO2(g)
C.CaO(s) + SiO2(s) → CaSiO3(s)✓ Correct
D.2C(s) + O2(g) → 2CO(g)
Explanation
Slag is formed by the reaction CaO + SiO2 CaSiO3
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