Science, asked by ayubp2686gmailcom, 2 days ago

Lina has been asked to test the presence of starch in a green leaf.which substance should she use for testing_iodine or carbon dioxide?​

Answers

Answered by indubalaporwal
2

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)

Answered by janammapv
2

Answer:

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Explanation:

iodine

The presence of starch in leaves can be tested by Iodine test. When we remove chlorophyll from leaf by boiling it in alcohol and then put 2 drops of iodine solution, its colour change to blue indicates the presence of starch.

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