Home Preparation for National Talent Search Examination (NTSE)/ Olympiad
Chapter : 2. Is Matter Around Us Pure
Separation by Chromatography
Separation by filtration : Separation by centrifugation : Separation by Evaporation : Purification by crystallisation : Separation by chromatography : Chromatography is a technique of separating two (or more) dissolved solids which are present in a solution in very small quantities. By using paper chromatography, we can separate two (or more) different substance present in the same solution. This separation is based on the fact that though two (or more) substances are soluble in the same solvent but their solubilities may be different. Some may be more soluble than the others. Example. Black ink is a mixture of several coloured substances which can be separated by paper chromatography. Separation by distillation :