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Force of attraction between the molecules of different substances is called

  • A.Adhesive force
  • B.Cohesive force
  • C.Surface tension
  • D.None of above

Answer: A

This is adhesive force.

Adhesion acts between molecules of different substances - water and glass, ink and paper. Cohesion acts between molecules of the same substance. Whether a liquid wets a surface or beads up depends on which of the two is stronger.

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