Concept:Chromatography separates mixture components based on how they distribute between a stationary phase and a mobile phase.
Explanation:In chromatography, pigments in a mixture travel at different speeds depending on their affinity for the stationary phase (such as paper) and the mobile phase (such as a solvent).
Components with a higher affinity for the stationary phase move slowly, while those with a higher affinity for the mobile phase move faster.
This differential movement causes the pigments to separate into distinct bands or spots.
The separation does not depend on boiling point, density, or particle size, so filtration, decantation, and distillation are not suitable here.
Chromatography is therefore the correct technique for analyzing pigment mixtures.
Answer:A. Chromatography