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AIPMT MAINS2011Chemistry-Metallurgy

AIPMT MAINS 2011 Chemistry Blast Furnace MCQ Question

Type: MCQ-conceptual-Easy

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.

A

CaO(s) + SiO₂(s) → CaSiO₃(s)

B

2C(s) + O₂(g) → 2CO(g)

C

Fe₂O₃(s) + 3CO(g) → 2Fe(l) + 3CO₂(g)

D

CaCO₃(s) → CaO(s) + CO₂(g)

Correct Answer

Option A

Detailed Explanation

The reaction between CaO and SiO₂ forms calcium silicate (CaSiO₃), which is the slag in the blast furnace process.

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