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42 votes
42 votes
What happened to the green leaf to show that starch was present

User Subho
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1 Answer

16 votes
16 votes

Answer:

iodine solution turned blue-black when added to it

Step-by-step explanation:

the leaf is boiled in water to kill the cells and soften them for iodine to penetrate .

boil the leaf in ethanol to dissolve chlorophyll

rinse the leaf and let it cool then add drops of iodine on it and observe the colour change

User Vishal Sonawane
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2.6k points