Please solve question no.9.

Dear Student, 


1. Leaf is boiled in water for 30 seconds to stop all the chemical reactions.
2. In methylated spirit to remove all its colour.
3. Iodine solution is added to it.
4.  The part of leaf that contains starch turns blue black.
5.  The region which does not contain starch remains colourless. 

Regards

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