Iodine indicating presence of starch
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Credit: MARTIN SHIELDS/SCIENCE PHOTO LIBRARY
Caption: Iodine used to detect the presence of starch. Iodine solution is iodine dissolved in aqueous potassium iodide. A positive result is indicated when the amber-coloured indicator solution turns blue-black as seen on the starch-rich saltine cracker.
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Keywords: amylose, aqueous, biochemistry, biology, carbohydrate, chemical, chemistry, demonstrate, demonstrating, demonstration, dropper, dropper bottle, experiment, experimenting, eyedropper, food, iki, indicator, indicator chemical, indicator solution, investigate, investigating, investigation, iodine, iodine potassium iodide, iodine solution, liquid, lugol'ss solution, organic chemistry, organic molecule, plant energy storage, positive result, positive test, presence of starch, saltine cracker, solute, solution, solvent, starch, test
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