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In haematite extraction, limestone is us...

In haematite extraction, limestone is used as

A

Flux

B

Slag

C

Reducing agent

D

Gangue

Text Solution

Verified by Experts

The correct Answer is:
A
`CaCO_(3)` is added as flux. It decomposes to give CaO which reacts with `SiO_(2)` to form slag.
`CaCO_(3) rarr CaO + CO_(3)`
`underset("flux")(CaO )+ underset("gangue")(SiO_(3)) rarr underset("slag")(CaSiO_(3))`
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