Surface Tension & Capillarity

36. The capillary rise of a liquid in a tube can be decreased by:

a) Decreasing the diameter of the tube

b) Decreasing the angle of contact

c) Decreasing the viscosity of the liquid

d) Decreasing the temperature of the liquid

37. The capillary rise of a liquid in a tube is directly proportional to:

a) Surface tension

b) Cohesion

c) Adhesion

d) The density of the liquid

38. The shape of a meniscus in a capillary tube is influenced by:

a) Surface tension

b) Adhesion

c) Cohesion

d) All of the above

39. The ability of a liquid to wet a solid surface is determined by:

a) Surface tension

b) Adhesion

c) Cohesion

d) All of the above

40. The surface tension of a liquid is affected by:

a) Temperature

b) Pressure

c) Impurities

d) All of the above