4. How will you test a leaf for the presence of starch?
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★ Starch testing ★
Iodine solution is used to test leaves for the presence of starch.heat a plant leaf in boiling water for 30 seconds (this stops its chemical reactions) heat it in boiling ethanol for a few minutes (this removes most of its colour)
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we do a activity that is iodine activity for finding the presence of starch in leaf
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