When performing a scientific investigation on an unknown substance, how can an indicator help you determine if the substance is a starch?(1 point) Responses The indicator will change the color of the substance. The indicator will change the color of the substance. The indicator will change the taste of the substance. The indicator will change the taste of the substance. The indicator will change the smell of the substance. The indicator will change the smell of the substance. The indicator will change the state of the substance

1 answer

The correct response is: The indicator will change the color of the substance.

When testing for starch, iodine is commonly used as an indicator. When iodine solution is added to a starch-containing substance, it will change color (typically to blue-black), indicating the presence of starch.