The item from the list that will have a chemical reaction with iodine and cause a color change is cornstarch. Iodine typically reacts with starch to form a blue-black complex. The other items listed (salt, powdered sugar, and baking soda) do not produce a notable color change with iodine.
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)%0D%0AResponses%0D%0A%0D%0Asalt%0D%0Asalt%0D%0A%0D%0Apowdered sugar%0D%0Apowdered sugar%0D%0A%0D%0Acornstarch%0D%0Acornstarch%0D%0A%0D%0Abaking soda
select one
1 answer