If the adsorbate is held on the surface of an adsorbent by force of van der Waals type, the adsorption is called

_________ is the process is which adsorbate molecules are held on the surface of the adsorbent by weak van der Waals forces.

If the adsorbate is held on a surface by weak van der wadis’ forces,the adsorption process is called____.

If the adsorbate is held on a surface by weak Vander Waal’s force, the adsorption process is called:

Which is correct in case of van der Waal's adsorption ?

Which is correct in case of van der Waals' adsorption?

Which is correct in case of van der Waals adsorption?