Roasting of sulphide ore gives the gas (A). (A) is a colourless gas. Aqueous solution of (A) is acidic. The gas (A) is ………………
A. CO2
B. SO3
C. SO2
D. H,S
Answer:C
Roasting of sulphide ore gives the gas (A). (A) is a colourless gas. Aqueous solution of (A) is acidic. The gas (A) is ………………
A. CO2 B. SO3 C. SO2 D. H,S