1.

Which of the following statements is not true about angle of contact ?

Answer»

The value of contact for pure water and glass is zero
Angle of contact increases with increase in temperature of liquid
If the angle of contact of a liquid and a solid surface is less than `90^(0)` , then the liquid spreads on the surface of solid
Angle of contact DEPEND upon the INCLINATION of the solid surface to the liquid surface.

Solution :Angle of contact does not depend upon the inclination of the solid SURFACES to the liquid surface.


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