In the experiment to show that { }^{'} {\CO}

CBSE Class 10 Science 2016 Term 1 Paper

Question : 33 of 36

Marks: +1, -0

In the experiment to show that ‌′CO2 is released during respiration', the small test tube of KOH solution is suspended inside the conical flask to absorb the :

air of the flask
moisture of the flask
O2 of the flask
CO2 of the flask released by the seeds

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