Tabulate the following situations into two-Adhesive force is greater than cohesive force and cohesive force is greater than adhesive force.( 2 marks) ➔ Fingers are wetted while counting the currency notes.
➔ Water will not stick to the colocasia leaf.
➔ We can write on the black board using chalk ➔ Water drops are in spherical shape
Answers
Step-by-step explanation:
Fingers are wetted while counting the currency notes - Adhesive force is greater than cohesive force
Water will not stick to the colocasia leaf - Cohesive force is greater than adhesive force
We can write on the black board using chalk - Adhesive force is greater than cohesive force
Water drops are in spherical shape - Cohesive force is greater than adhesive force
Adhesive force is the type of force of attraction which acts between molecules of different types.
While cohesive force is the type of force of attraction that acts between molecules of same types which holds them together.
There are a lot of examples in daily life from which these forces can be understood such as water sticking to the glass, rain drops sticking on the window pane, etc.