Question

20. Why do we use KOH in a bottle in the experiment to know CO, is necessary for photosynthesis
A) To absorb chlorophyll present in leaves B) To absorb air in the bottle
C) To absorb CO, in bottle
D) To absorb water vapour in the bottle
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Answer 1

Answer:

C option is correct

Explanation:

KOH pellets absorbs Co2.