explain in brief an activity to show importance of Sunlight for plants what is the use of Potassium Hydroxide in the activity
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KOH absorbs all the carbon dioxide present around it ,so photosynthesis will not takes place and in the starch test Leaf will not changes to blue-black.
If KOH is not present, then photosynthesis takes place and leaf of the plant changes to blue-black in the starch test
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