Question

difference between cohesive and adhesive forces

Answer 1

Adhesive forces are the attractive forces between unlike molecules. They are caused by forces acting between two substances, such as mechanical forces (sticking together) and electrostatic forces (attraction due to opposing charges).


Cohesive forces are the intermolecular forces (such as those from hydrogen bonding and Van der Waals forces) which cause a tendency in liquids to resist separation. These attractive forces exist between molecules of the same substance.

Answer 2

The intermolecular force of attraction acting between same molecules is called force of cohesion.

The intermolecular force of attraction acting between same molecules is called force of cohesion.The intermolecular force of attraction acting between different molecules is called force of adhesion.

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