How will you prove that the air that we breathe out contain carbondiox

1.	How will you prove that the air that we breathe out contain carbondioxide?
Answer» Hello mate If CO2 continues to be passed, more CARBONIC acid forms, which then REACTS with the calcium carbonate to form calcium hydrogencarbonate, which is soluble, so the precipitate is seen to DISSOLVE. In this EXPERIMENT we will investigate the carbon dioxide levels of inhaled and EXHALED air.

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How will you prove that the air that we breathe out contain carbondioxide?

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