When performing a scientific investigation on an unknown substance, how can an indicator help you determine if the substance is a starch?(1 point)

Question

A. The indicator will change the state of the substance.
B. The indicator will change the smell of the substance.
C. The indicator will change the color of the substance.
D. The indicator will change the taste of the substance.

Answer 1

C. The indicator will change the color of the substance.

In the case of starch, an iodine solution is commonly used as an indicator. When iodine is added to a solution containing starch, it changes color to a blue-black hue, indicating the presence of starch.