Question

differentiate between surface and interfacial tension

Answer 1

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In short; surface tension is the property of the liquid in contact with gas phase (usually air). Interfacial tension, on the other hand, is the property between any two substances. ... Surface and interfacial tension are usually presented by the symbol σ and it is measured by force per unit length

$\bold\purple{\underline{Hope \: that \: helps}}$

Answer 2

Answer:

In the physical sciences, an interface is the boundary between two spatial regions occupied by different matter, or by matter in different physical states. The interface between matter and air, or matter and vacuum, is called a surface, and studied in surface science.