LONG ANSWER QUESTIONS
1. With the help of an experiment demonstrate that CO, is given out during breathing.
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Germinated gram seeds in a conical flask release CO, during respiration. The C02 released is absorbed by KOH present in the hanging test tube in conical flask. This creates a vacuum in conical flask which causes upward movement of water in the delivery tube leading to change in level of water in the delivery tube.
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