JAMB - Chemistry (2023 - No. 36)
Which separation technique is used to separate different pigments in a mixture based on their affinity for a stationary phase and a mobile phase?
Chromatography
Filtration
Decantation
Distillation
Vysvětlení
Chromatography is a separation technique used to separate and analyze components of a mixture based on their differential partitioning between a stationary phase (e.g., paper or a column) and a mobile phase (e.g., solvent). Different components move at different rates, leading to separation.