Question

gives the reasons for boiling the green leaf in methylated spirit
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Answer 1

Answer:

I guess to observe the colour

Answer 2

Answer:

To remove chlorophyll from the leaf.

Explanation:

First a green leaf is bought and then it is boiled for some minutes this is done to kill the cells in the leaf and then few drops of methylated spirit is added to this leaf to remove chlorophyll from the leaf.