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Tamil Nadu Board of Secondary EducationHSC Science Class 11

Distinguish between cohesive and adhesive forces.

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Question

Distinguish between cohesive and adhesive forces.

Distinguish Between
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Solution

  Cohesion Force Adhesion Force
1. The force between the like molecules which hold the liquid together is called ‘cohesive force’. When the liquid is in contact with a solid, the molecules of these solid and liquid will experience an attractive force which is called ‘adhesive force’.
2. A strong force of cohesion forms water droplets on any surface.  A strong adhesion force causes the liquid to spread all over the surface.
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Chapter 7: Properties of Matter - Evaluation [Page 92]

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Samacheer Kalvi Physics - Volume 1 and 2 [English] Class 11 TN Board
Chapter 7 Properties of Matter
Evaluation | Q II. 24. | Page 92
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