What precautions to be taken when we show that co2 is released during respiration in human being?
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1. Always use freshly prepared KOH solution and as KOH is corrosive so handle it carefully.
2. The experiment set up must be air-tight.
3. Fix the shorter end of the glass tube in such a way that it does not touch the seeds
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The rise in level water indicates that carbon dioxide is released as a result of germinating gram seeds during the process of respiration in the conical flask
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