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Surface Chemistry — Chemistry STD 12 — Question

Tamilnadu BoardEnglish MediumSTD 12ChemistrySurface Chemistry2 Marks
Question
Define
  1. Adsorbent
  2. Adsorbate with an example.
✓

Answer

1. Adsorbent is a material on which adsorption takes place. eg., silica gel and metals like $Ni , Cu , Pt$.
2. Adsorbate is a substance which is adsorbed on the adsorbent. e.g., Gaseous molecules like $He , Ne , O _2, N_2$ and solutions of NaCl (or) KCl .

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