The separation of the different components from the solution is called extraction. In solution there are two-component, one is solute and another one is solvent.
The component of the solution is as follows:-
The separation of two different liquids in the solution is called chromatography and chromatography paper is used to extract the liquid.
Those elements are separated from the solution which is less reactive by the sodium, for example- Ca, K, Ag, and etc.
Hence, the elements are separated from the unknown sample.
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