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Surface Chemistry — Chemistry STD 12 — Question

Tamilnadu BoardEnglish MediumSTD 12ChemistrySurface Chemistry2 Marks
Question
What are the forces exist in physical adsorption?
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Answer

In physical adsorption, physical forces like van der Waals force of attraction exist between adsorbent and adsorbate.
The other forces that can cause physical adsorption are
  1. dipole-dipole interaction
  2. dispersion forces.

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