Question

describe an experiment to prove that plant leave has starch​

Answer 1

Answer:

The presence of starch in leaves can be tested by the Iodine test. When we remove chlorophyll from the leaf by boiling it in alcohol and then put two drops of iodine solution, it is colour change to blue indicates the presence of starch.

Explanation:

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Answer 2

Answer:

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) wash with water and spread onto a white tile.