Question

what changes you may observe when copper sulphate solution is added on boiled leaf instead of iodine ?​

Answer 1

Answer:

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Explanation:

When we boil the leaves in spirit they become colourless because chlorophyll pigments leach out. Leaves contain starch which gives blue-black colour with iodine solution. Starch is synthesised in the green leaves in the presence of sunlight by the process of photosynthesis.