Experimentaly show that the CO2 is given out during respiration
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Paas the exhaled air through lime water.
If lime water turns milky it shows that air contains Carbon dioxide.
On passing Carbon dioxide through lime water white precipitate of calcium carbonate is formed which gives white color to solution.
The reaction is as follows-
Ca(OH)2 + CO2 = CaCo3 + H2O
If lime water turns milky it shows that air contains Carbon dioxide.
On passing Carbon dioxide through lime water white precipitate of calcium carbonate is formed which gives white color to solution.
The reaction is as follows-
Ca(OH)2 + CO2 = CaCo3 + H2O
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