Multiple choice

Among the following which one is also known as Vander Waal's adsorption?

  1. Positive adsorption

  2. Negative adsorption

  3. Physical adsorption

  4. Chemical adsorption
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

If the forces of attraction existing between adsorbate and adsorbent are Vander Waal's forces, the adsorption is called physical adsorption. This type of adsorption is also known as physisorption or Vander Waal's adsorption. It can be easily reversed by heating or decreasing the pressure.

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