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CBSE Class 9 Answered

On what basis does the separation of different components of black ink takes place in chromatography?
Asked by Topperlearning User | 08 May, 2014, 08:50: AM
answered-by-expert Expert Answer

As water moves up the filter paper strip having a small drop of black ink, it takes along the dyes present in ink. The dye which is more soluble in water dissolves first, rises faster and produces a coloured spot on the paper at a higher position. The less soluble dyes dissolve a little later, rise slower and form coloured spots at lower heights.

Answered by | 08 May, 2014, 10:50: AM

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