Grade 12th pass7 grade science
A student has set up an apparatus to show that CO2 is released during respiration. After about 1 hour he observes no change in the water level in the delivery tube. Write two possible reasons for failure of the experiment.
A student has set up an apparatus to show that CO2 is released during respiration. After about 1 hour he observes no change in the water level in the delivery tube. Write two possible reasons for failure of the experiment.
