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What happens when you drop iodine on a leaf?
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What happens when you drop iodine on a leaf?

User ANUP SAJJAN
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when you drop iodine on a leaf you may observe a colour change of orange/brown to a blue/black complex.

This is because in the leaf there are starch molecules that form a blue/black complex with the starch molecules.

hope that helps :)
User Dmitriy Korobkov
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