The leaf turned bluish black when a few drops of chemicals were dropped on it. Why did the leaf turn bluish black( what does it prove)? What is the name of the chemical used?
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2
Answer:
Iodine is an indicator that turns blue-black in the presence of starch. The leaf that was in the light turns blue-black, which demonstrates that the leaf has been performing photosynthesis and producing starch
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1
Answer:
The leaf turned bluish black which proves that It contains starch
Explanation:
The name of the chemical used is ' Tincture Iodine '.
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