Whenever a mixture of gases is allowed to come in contact with a particular adsorbent under the ...

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Whenever a mixture of gases is allowed to come in contact with a particular adsorbent under the same conditions, the more strong adsorbate is adsorbed to greater extent irrespective of its amount present, e.g., \( \mathrm{H}_{2} \mathrm{O} \) is adsorbed to more extent on silica gel than \( \mathrm{N}_{2} \) and \( \mathrm{O}_{2} \). This shows that some adsorbates are preferentially adsorbed. It is also observed that preferentially adsorbable adsorbents can displace a weakly adsorbed substance from the surface of an adsorbent.
Chromatogarphic separations are based on
(A) differential solubility
(B) differential adsorption (C) differential absorption (D) None of these
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