Question

05. What is meant by an angle of contact ? State any two characteristics of angle of contact
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Answer 1

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Characteristics of the Angle of Contact:

The angle of contact is constant for a given liquid-solid pair. When the angle of contact between the liquid and a solid surface is small (acute), the liquid is said to wet the surface. Thus water wets glass. If the angle of contact is large the surface is not wetted.

Answer 2

Answer:

Explanation:

Characteristics of the Angle of Contact:

The angle of contact is constant for a given liquid-solid pair. When the angle of contact between the liquid and a solid surface is small (acute), the liquid is said to wet the surface. Thus water wets glass. If the angle of contact is large the surface is not wetted.