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 state of the substance. The indicator will change the state 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.

1 answer

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

When testing for starch, a common indicator used is iodine. When iodine comes into contact with starch, it forms a complex that results in a blue-black color change, indicating the presence of starch.