Question

How can we tell if leaf is photosynthesising?
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Answer 1

Answer:

heat a plant leaf in boiling water for 30 seconds (this kills the leaf, stopping any chemical reactions) add the leaf to boiling ethanol in a water bath for a few minutes (the boiling ethanol dissolves the chlorophyll and removes the green colour from the leaf - it turns white so it is easy to see the change in colour)

Explanation:

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Answer 2

Answer:

we can know this by performing some experiments

Explanation:

we can make the use of iodine

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