In the metallurgy of iron, when limestone is added to the blast furnace, the calcium ion ends up in:-

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In the metallurgy of iron, when limestone is added to the blast furnace, the calcium ion ends up in:-

ChemistryGeneral Principles and Processes of Isolation of MetalsJEE Main

Options:

A Slag
B Gangue
C Metallic Ca
D $C a C O_{3}$

Solution:

1204 Upvotes Verified Answer

The correct answer is: Slag

Lime stone acts as flux in this process.

C a C O_{3} \underset{}{\to} C a O + C 0_{2}

C a O + S i O_{2} \underset{}{\to} C a s i O_{3} (s l a g)

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