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Write the reason why starch test shows blue-black color.​

User Reechard
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Answer: Amylose in starch is responsible for the formation of a deep blue color in the presence of iodine.

Explanation :The iodine molecule slips inside of the amylose coil.n This makes a linear triiodide ion complex with is soluble that slips into the coil of the starch causing an intense blue-black color.

User Phamductri
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