A student sets up the apparatus for the experiment to show that CO2 is released during respiration. After 2 hours, what would he observed?
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Water level rises up in the bent tube.
The rise in the level of water indicates that CO2 is produced by germinating seeds during respiration. Actually, the germinating seeds respire and produce CO2, which is absorbed by KOH solution. This creates a vacuum in the conical flask. The air present in the bent glass tube moves into the conical flask. This pulls the water in the bent tube further up.
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Answer:
Explanation:
In fact, the germinating seeds actually respire as well as produce CO2.
It is absorbed by the KOH solution.
It creates the vacuum in conical flask.
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