Experiment to prove that carbon dioxide is produced during respiration
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Experiment to prove that carbon dioxide is produced during respiration in germinating seeds
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Answer:
The germinating seeds in the conical flask release CO2 during respiration, which is absorbed by the KOH solution kept in the small test tube. This creates a partial vacuum in the flask that forces the water up the delivery tube. Thus, it proves that germinating seeds produce carbon dioxide during respiration.
Explanation:
Suspend a small test tube containing 20% potassium hydroxide. Dip the free end of the bent tube in a beaker of coloured water. Carbon dioxide released during the aerobic respiration is absorbed by potassium hydroxide and creates a vacuum and causes rise of water in the bent tube.
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