A student is not getting the results for his experimental set up to shown that germinating seeds release co2 during resperation what could be the reason for this
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He must have missed KOH pellets.
He must have missed soaking the seeds before experiment.
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Hey there! Hope this helps you...
> 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.
Possible reasons:
1. the conical flask airtight.
2. Fix the shorter end of the glass tube in such a way that it does not touch the seeds.
3. Use freshly prepared KOH solution.
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