what are materials node for iodine test what color does it change in the presence of starch
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it change to blue because methylene blue is used
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Starch test: Add Iodine-KI reagent to a solution or directly on a potato or other materials such as bread, crackers or flour. A blue-black colour results if starch is present. If starch amylose is not present, then the colour will stay orange or yellow.
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