A food sample is taken in a test tube and a few drops of iodine solution were added to it. It was observed that the solution turned blue black. It shows the presence of which one of the following component in the food sample?
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Answer:
When iodine solution is added to a food sample and it turns its color into blue black, it represents the presence of starch. And since starch is a form of carbohydrate, the answer is carbohydrate.
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carbohydrates
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