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  • A student has set up an apparatus to show that ‘‘ is released during respiration’’. After about 1 hour he observes no change in the w

A student has set up an apparatus to show that ‘‘CO_{2} 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 the failure of the experiment

 

 

 

 
 
 
 
 

Answers (1)

(I) The set up was not airtight.

(II) Germinating seeds were not moist.

(III) One end of U-shaped delivery tube is placed in the conical jerk and another end was not immersed in water of the beaker.

Posted by

Sumit Saini

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