Question

How will you predict the presence of carbon dioxide gas in an experiment?
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Answer 1

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.





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Answer 2

Answer:

We can predict the presence of Carbon dioxide by blowing air in lime water with the help of a straw if the lime water turns milky carbon dioxide is present..

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