Question

A student conducted an experiment to show carbon dioxide is release during respiration list two precaution that he or she must take for uptending correct observations

Answer 1

1.Keep the flask airtight.
2.Use freshly prepared potassium hydroxide solution

Answer 2

Precautions that must be taken:
1.The set up should be air tight.
2. Germinating
seeds
(living)
should be used.