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प्रश्न
A student has set up "CO2 is released during respiration”. After about 1 hour he observes no change in the water level in the delivery tube. Write two possible resons for the failure of the experiment.
थोडक्यात उत्तर
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उत्तर
(i) The setup was not air tight
(ii) Geminating seeds were not moist
(iii) One end of U-shaped delivery tube is placed in conical flask and the other end was not immersed in the water of the beaker.
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