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How is limestone used in Fe extraction?...

How is limestone used in `Fe` extraction?

A

Oxidation of `Fe` ore

B

Reduction of `Fe` ore

C

Formation of slag

D

Purification of `Fe`formed

Text Solution

Verified by Experts

The correct Answer is:
C
Limestone `(CaCO_(3))` is used for formation of slag in `Fe` extraction
`underset("Limestone")(CaCO_(6)) rarr CaO +CO_(2)uarr`
`CaO+ underset("Gangue or impurity")(SiO_(2))rarr underset("Slag")(CaSiO_(3))`
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