Roasting os sulphide ore gives the gas (...

Roasting os sulphide ore gives the gas (A). (A) is a colourless gas. Aqueous solution of (A) is acidic. The gas (A) is

A

`CO_(2)`

B

`SO_(3)`

C

`SO_(2)`

D

`H_(2)S`

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Verified by Experts

The correct Answer is:

C

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