Question

Why do we take potassium hydroxide in the Canell flash while testing the leaf to province that carbon dioxide is necessary for photosynthesis ?​

Answer 1

Answer:

The part of leaf outside becomes blue while part remaining in the bottle is colorless suggesting that, photosynthesis occurs only in the outside leaf which produces starch and this starch gives blue colour with iodine. Thus, potassium hydroxide can be used to remove CO2 gas......

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