A student sets up the apparatus for the experiment to show that co2 is released during respiration after 2hours what he observed
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He observes that Water level rises up in the bent tube.
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Answer: After 2 hours, it is observed that the level of the water rises in the bent tube that is dipped into the coloured water in the beaker.
This indicates that carbon dioxide gas was produced during respiration by the germinating seeds.
Explanation:
The carbon dioxide produced by the germinating seeds in the conical flask is absorbed by the potassium hydroxide( KOH) solution kept in the flask, thereby creating a vacuum inside , resulting in the entry of air from the bent glass tube into the flask. This further results in drawing up of the coloured water into the bent tube.
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