Why we use KOH in a bottle in the experiment to know CO2 is necessary for photosynthesis?
A. To absorb chlorophyll in leaves
B. To absorb air in bottle
C. To absorb CO2 in bottle
D. To absorb water vapour in the bottle.
Answer:C
Why we use KOH in a bottle in the experiment to know CO2 is necessary for photosynthesis?
A. To absorb chlorophyll in leaves B. To absorb air in bottle C. To absorb CO2 in bottle D. To absorb water vapour in the bottle.