An ore after levigation is found to have...

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

A

`H_(2)SO_(4)`

B

`CaCO_(3)`

C

`SiO_(2)`

D

Both `CaO and SiO_(2)`

Verified by Experts

The correct Answer is:

C

`SiO_(2)` is acidic.

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