Biology, asked by Tanmaymondal7330, 1 year ago

Why green leaf is boiled in alcohol before testing it for starch?

Answers

Answered by anuj7860
1

The hot water kills the leaf and the alcohol breaks down the chlorophyll, taking the green color out of the leaf. When you put iodine on the leaves, one of them will turn blue-black and the other will be a reddish-brown. Iodine is an indicator that turns blue-black in the presence of starch.

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