Sugar, being a simple carbohydrate, does not react with iodine solution, which is used to test for starch. Iodine turns blue-black in the presence of starch but not in the presence of sugar.
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Sugar, being a simple carbohydrate, does not react with iodine solution, which is used to test for starch. Iodine turns blue-black in the presence of starch but not in the presence of sugar.