Adhesion

Water sticks well to many materials. What term relates to this property of water?

• cohesion

• adhesion

• density

• surface tension

Water sticking to the paper clips is called -

• adhesion

• cohesion

• surface tension

• polarity

​ (a)   is water droplets sticking to each other.​ (b)   is water droplets sticking to other surfaces.

• cohesion

• adhesion

Which of the following best describes adhesion?

• The force that holds molecules of the same substance together

• The force that holds molecules of different substances together

• The ability of a liquid to flow in narrow spaces without external forces

• The resistance of a liquid to flow

What is an example of adhesion in nature?

• Water forming droplets on a leaf

• Water forming a dome on a penny

• Water molecules sticking to each other

• Water flowing smoothly in a river

In an experiment, a drop of water is placed on a glass slide. What property of water is being demonstrated when it spreads out?

• Cohesion

• Adhesion

• Viscosity

• Surface tension

Which of the following scenarios is an example of adhesion?

• Oil forming a layer on water

• Water beading on a waxed car surface

• Water climbing up a paper towel

• Mercury forming a convex meniscus in a glass tube

Adhesion is crucial in which of the following processes?

• Capillary action in plants

• Formation of water droplets

• Surface tension in liquids

• Evaporation of water

Which scientific principle explains why paint sticks to walls?

• Cohesion

• Adhesion

• Buoyancy

• Diffusion

What role does adhesion play in chromatography?

• It helps separate substances based on their mass

• It allows substances to stick to the stationary phase

• It causes substances to dissolve in the solvent

• It increases the speed of the solvent flow