Question

How ascending paper chromatography could pe adapted to separate colourless substances such as amino acid

Answer 1

It already has. The acids are allowed to ascend, the paper is dried, and a developing agent of some kind is used to produce colored lines. Alternately, ultraviolet can be used to reveal fluorescent amino acids. Not gunna lie i went on yahoo to ge this one, help it hopes ;D

Answer 2

Answer:

Paper chromatography can be used to analyse colourless substances. A locating agent reacts with these substances to form coloured products, or products that glow under ultraviolet light. For example, iodine vapour reacts with fats and oils, turning them brown.