Question

1 Suggest a chemical test by which the gas exhaled by humans can be identified.
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Answer 1

Analysis of volatile organic compounds (VOCs) emanating from human exhaled breath can provide deep insight into the status of various biochemical processes in the human body. VOCs can serve as potential biomarkers of physiological and pathophysiological conditions related to several diseases.

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Answer 2

Answer:

There are two tests

OF LIME WATER

SEE THE ATTACHMENT

The lime water turns milky showing presence of co2

OF BURNING MATCHSTICK OR CANDLE

SEE THE SECOND ATTACHMENT

The test tube contains gas exhaled by humans trapped in it.

Candle extinguishes as co2 doesn't supports combustion.

This shows co2 is there

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