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An ore after levigation is found to have...

An ore after levigation is found to have basic impurities. Which of the following can be used as flux during smelting ?

A

`H_(2)SO_(4)`

B

`CaCO_3`

C

`SiO_2`

D

Both CaO and `SiO_2`

Text Solution

Verified by Experts

The correct Answer is:
C
Silica `SiO_2` being acidic flux removes the basic impurities.
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