Chromatography Paper ____ is a method for separating ____ substances from one another. It is often used when the dissolved substances are ____, such as inks, ____ colourings and plant dyes. For instance, ink is a ____ of dyes dissolved in a ____ of water or oil. It works because some of the coloured substances dissolve in the solvent ____ than others, so they travel ____ up the paper. A pure substance will only produce ____ spot on the chromatogram during paper chromatography. Two substances will be the same if they produce the ____ colour of spot, and their spots travel the ____ up the paper.

Chromatography

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