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Question
Roasting of sulphide ore gives the gas (A).(A) is a colourless gas. Aqueous solution of (A) is acidic. The gas (A) is ____________.
Options
CO2
SO3
SO2
H2S
MCQ
Fill in the Blanks
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Solution
Roasting of sulphide ore gives the gas (A).(A) is a colourless gas. Aqueous solution of (A) is acidic. The gas (A) is SO2.
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