Which of the following scenarios is an example of cohesion?
- Water molecules stick to the surface of a mirror.
- Water sticks to the walls of blood vessels.
- Water molecules stay on the tip of a pine needle because the water is attracted to the surface of the needle.
-
Water molecules stick to one another and form a bead
The correct answer is: D
Explanation
Cohesion is an ability of water molecule to stick to one another due to the presence of hydrogen bondingThere is an explanation video available .