1.

Chromatography is based on the principle of :(a) vaporisation (b) concentration(c) absorption (d) adsorption

Answer»

Answer : (d) adsorption 

Chromatography is based on the principle of differential adsorption of different components over an adsorbent. 

In this method, 

Weakly adsorbed component is eluted first and the strongly adsorbed component is elucted afterwards.



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