500
In the lab about stored starch, you tested different food products to determine if these food items stored complex sugars in the form of starch. How did you determine whether or not each food item had stored starch?
What is "I looked for a reaction between the iodine and starch. If the food item changed color when iodine was placed on it, then I knew there was a reaction between the starch and the iodine. This change was a chemical change."