When the liquid does not wet the sides of a solid, then angle of contact is

Question

When the liquid does not wet the sides of a solid, then angle of contact is (A) obtuse (B) acute (C)  90°  (D) zero

Tardigrade Admin · Accepted Answer

The liquids which do not wet the solid have obtuse angle of constant. For mercury and glass, the angle of contact is 135° . The angle of contact for water and silver is 90° .

Q. When the liquid does not wet the sides of a solid, then angle of contact is

obtuse

acute

$90^{\circ}$

zero

The liquids which do not wet the solid have obtuse angle of constant. For mercury and glass, the angle of contact is $135^{\circ}$ . The angle of contact for water and silver is $90^{\circ}$ .