Iodine test for starch

Iodine test for starch

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Caption: Iodine test for starch. Test tube showing a black colour that is the positive result of the test for starch using iodine. The starch, which was from a piece of bread, is a long coiled molecule. Iodine combines with the starch and ends up in the coil, which is why the iodine turns from light brown to black.

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Keywords: analysis, analytical, apparatus, bread, carbohydrate, chemical, chemistry, colour change, detected, detection, equipment, experiment, experimental, food, glassware, iodine, lab, laboratory, positive, reacting, reaction, starch, test, testing

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