Question

write experimental procedure to test CO2 gas​

Answer 1

Answer:

hey there here is your solution..

1. you can pass the produced gas through calcium hydroxide aqueous solution..if it turns milky then carbon di oxide will be present.

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Answer 2

Carbon dioxide reacts with calcium hydroxide solution to produce a white precipitate of calcium carbonate. Limewater is a solution of calcium hydroxide. If carbon dioxide is bubbled through limewater, the limewater turns milky or cloudy white.