how will we prove that air contains carbon dioxide
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Answer:Limewater can be used to detect carbon dioxide. If carbon dioxide is bubbled through limewater then it turns from clear to cloudy/milky in colour. ... After a few breaths the limewater in tube B will turn cloudy as the exhaled air contains more carbon dioxide.
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Answer:
AIM- To prove that exhaled air contains CO2.
MATERIALS REQUIRED- Test tube, Cork, bent pipe and freshly prepared lime water.
PROCEDURE- Take a test tube and out some freshly 0repared lime water in it. Close the mouth of test tube with cork. Pass a bent pipe through hole of the cork. Blow through pipe.
OBSERVATIONS- Clear lime water turns milky due to formation of calcium carbonate.
CONCLUSION- Exhaled air contains co2
Explanation:
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