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On the extraction of iron, the slag produced is

On the extraction of iron, the slag produced is

Options

(a) CO
(b) FeSiO₃
(c) MgSiO₃
(d) CaSiO₃

Correct Answer:

CaSiO₃

Explanation:

In the extraction of iron, limestone which acts as flux, decomposes at 1073 K to form CaO which than combines with silica to form slag. CaCO₃ → CaO + CO₂. CaO + SiO₂ → CaSiO₃ (slag).

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