English, asked by Such1263, 2 months ago

How would you test the presence of strach in leave

Answers

Answered by apurba2004vizag

Answer:

Iodine solution is used to test leaves for the presence of starch. You need to: 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)

Explanation:

Answered by harshini1237

Explanation:

Iodine solution is used to test leaves for the presence of starch. ...

After a few minutes, the parts of the leaf that contain starch turn the iodine from brown to blue/black.

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