What happens to the carbon dioxide given out of by the germinating seed while performing the respiratory experiment why is vaseline used in this experiment?
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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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