When performing a scientific investigation on an unknown substance how can an indicator help you determine if the substance is a starch A the indicator will change the smell of the substance B the indicator will change the taste of the substance C the indicator will change the state of the substance D the indicator will change the color of the substance

1 answer

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

In the case of starch, a common indicator used is iodine, which reacts with starch to produce a characteristic blue-black color. This change in color indicates the presence of starch in the unknown substance.