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Q.

Which is/are a purely surface phenomena : 

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a

absorption

b

none of these

c

surface tension

d

adsorption

answer is A, B.

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Detailed Solution

  • Surface tension is the force acting on the surface film of a liquid due to the interaction of surface particles with the particles lying on bulk. So it is a surface phenomenon.
  • The phenomenon which deals with the accumulation of molecular species only at the surface and not in the bulk of a solid or liquid is called adsorption.
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