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when we respire we exhale co2 it can be proved by an experiment
we take a beaker filled with lime water we take a straw in the mouth and exhale air through our mouth
the lime water turns milky
the lime water will turn milky only after mixing co2 thus proved we exhale co2
we take a beaker filled with lime water we take a straw in the mouth and exhale air through our mouth
the lime water turns milky
the lime water will turn milky only after mixing co2 thus proved we exhale co2
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