Asked by jena

Jim, Jill, Robert, and Kim each run paper chromatography on an unknown aqueous mixture.

Jim gets a red band, Jill gets a yellow band, Robert gets a green band, and Kim gets a red band and a blue band.

Which student had more than one substance dissolved in the water?

Responses

Robert

Robert

Jill

Jill

Kim

Kim

All Answers 1

Answered by GPT-5 mini AI
Kim — she got two bands (red and blue), which means two different substances were present.