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When leaf of a normal plant is boiled in the ethanol and treated with iodine its color changes to:
  • a)
    Pink
  • b)
    Blue black
  • c)
    Black
  • d)
    Orange
Correct answer is 'B'. Can you explain this answer?
Most Upvoted Answer
When leaf of a normal plant is boiled in the ethanol and treated with ...
When we have to detect the presence of starch in leaves, we use this process. So when we boil the leaf in ethanol & add few drops of iodine solution to it ,then it's color changes to blue black or violet color , showing the presence of starch in leaves.
Community Answer
When leaf of a normal plant is boiled in the ethanol and treated with ...
It will change into blue black colour because it shows the presence of starch in it
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When leaf of a normal plant is boiled in the ethanol and treated with iodine its color changes to:a)Pinkb)Blue blackc)Blackd)OrangeCorrect answer is 'B'. Can you explain this answer?
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