Experiment to show that water and carbon dioxide are necessary for pho

1.	Experiment to show that water and carbon dioxide are necessary for photosynthesis
Answer» To prove the necessity of carbon dioxide in photosynthesis FOLLOWING steps need to doInsert a part of the leaf of a destarched plant into a conical flask containing potassium hydroxide.Potassium hydroxide solution absorbs the carbon dioxide gas from the AIR PRESENT in the glass bottle.Leave the plant sunlight.After few hours, perform a starch test to this and another leaf of the same plant.Observation-Leaf exposed to the atmosphere are bluish black.Leaf exposed to KOH does not change to blue-black colourResult- Starch is present in the GREEN part of the leaf.Conclusion- PRESENCE of starch proves that chlorophyll is necessary for photosynthesis as it traps sunlight.Mark as Brainliest

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Experiment to show that water and carbon dioxide are necessary for photosynthesis

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