Understanding Cohesion and Adhesion in Liquids

The video tutorial explains the concepts of cohesion and adhesion in liquids. Cohesion is the attraction between molecules of the same type, such as water molecules, which leads to phenomena like surface tension. Adhesion is the attraction between different types of molecules, such as water molecules and glass, resulting in capillary action. These forces are crucial in understanding how liquids behave in different environments.

What is the term for the attraction between molecules of the same type?

• Capillary action

• Cohesion

• Surface tension

• Adhesion

Which force is responsible for water forming spherical droplets?

• Adhesion

• Gravity

• Cohesion

• Friction

What phenomenon allows small objects to be supported on the surface of water?

• Surface tension

• Capillary action

• Adhesion

• Evaporation

What is the term for the attraction between molecules of different types?

• Surface tension

• Diffusion

• Adhesion

• Cohesion

Which process allows water to move upwards against gravity in thin tubes?

• Condensation

• Evaporation

• Sublimation

• Capillary action

What two forces are involved in capillary action?

• Adhesion and cohesion

• Gravity and friction

• Diffusion and osmosis

• Evaporation and condensation