prism Though not the only thing that can cause light to show its true colors. A CD, when held at various angles to the light a pattern forms on the CD showing the familiar rainbow color scheme (red,...
A prism is what Newton used.
A centrifuge. a filter. a sieve. a magnet, heat, gravity to name but a few.
yes Chromatography is used to separate colours.... I had this question for homework :) i hope it helped;)
Color wheel