Difference Between Sulphur dioxide and Carbon dioxide
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Explanation:
Carbon dioxide is an odourless gas whereas sulphur dioxide is a pungent gas.
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Answer:
Explanation:
SO2 is a colourless pungent gas which we can test as
follows:
1. Acidic dichromate paper ---orange to green
2. KIO3+ starch solution reagent---SO2 turns filter
paper moistened with KIO3 and starch soln blue.
Lime water reagent SO2 forms white ppt of CaSO3
with lime water.
CO2 being a colourless and odourless gas evolves with
effervescence.
The test reagent for CO2 is lime water or baryta
water.
It forms white turbidity with limewater due to insoluble CaCO3
formation.
Ca(OH)2+CO2 ®¯CaCO3+H2O
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