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In the experimental set up to show that ...

In the experimental set up to show that `"CO_(2)` is given out during respiration", name the
substance taken in the small the small test tube kept in the conical flask. State its function and the
consequences of its use.

Text Solution

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KOH (Potassium hy droxide) dolution is taken in the small test tube in the experiment set up
to show `CO_(2)` is given out during respiration.
KOH absorbs `CO_(2)` released by germinating seeds, creates a vacuum and causes rise in water
level in the delivery tube.
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