In this experiment, the item that will have a chemical reaction with iodine is cornstarch. When iodine interacts with cornstarch, it produces a blue-black complex, resulting in a visible color change. The other items listed (salt, baking soda, and powdered sugar) do not typically react with iodine in a way that produces a color change.
A chemistry class is experimenting with iodine to see which common white powder items will react and make the iodine change color. Which item listed will have a chemical reaction with iodine?(1 point) Responses salt salt cornstarch cornstarch baking soda baking soda powdered sugar
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