A student adds iodine solution to a starch suspension and observes an intense color change. Which color specifically indicates the presence of starch?
Q1. A student adds iodine solution to a starch suspension and observes an intense color change. Which color specifically indicates the presence of starch?
Answer: Blue
Explanation: Starch gives a blue color with iodine; glycogen gives a red color, which is a frequent point of confusion for students.