Answer : The correct option is, (d) All of the above
Explanation :
Chromatography : It is a separation technique or method of a mixture in which a mixture is distributed between the two phases at different rates, one of which is stationary phase and another is mobile phase.
Mobile phase : The mixture is dissolved in a solution is known as mobile phase.
Stationary phase : It is an adsorbent medium and It is a solid, liquid or gel that remains immovable when a liquid or a gas moves over the surface of adsorbent. It remains stationary.
All methods of chromatography are based on the solubility of components of a mixture in a certain solvent.
Hence, the correct option is, (d) All of the above