Question

What precaution should be taken to study liberation of carbon dioxide gas during aerobic respiration

Answer 1

⇒Keep the give flask air tight (no air comes or escapes)

⇒test tube containing KOH should be hung carefully.

⇒fix the shorter end of glass tube in such a way that it does not touch the seed (seed which is used in experiment)

⇒use freshly prepared KOH solution

⇒germination seed should be kept moist.