Advertisements
Advertisements
Question
What are the forces of cohesion and adhesion?
Advertisements
Solution
The force of attraction between the molecules of a similar kind is called a force of cohesion.
Example: The attraction between water molecules, keeping a water droplet together.
The force of attraction between different types of molecules is called a force of adhesion.
Example: The attraction between water and a glass surface, causing water to stick to the glass.
APPEARS IN
RELATED QUESTIONS
Why do solids, liquids and gases differ in their physical state?
Water cycle is an example of inter conversion of states of water. Explain.
Give two examples for the following :
Substances which do not change their states.
Fill in the blank
All the molecules of a substance are .............
Select the correct alternative
The diameter of a molecule is approximately
One litre of water has 6.02 × 1026 molecules. Estimate the size of a molecule.
Define the Intermodular force of attraction.
Multiple choice question.
All kinds of matter
Solids retain their volume even when external pressure is applied. This property is called ______.
Write scientific reason.
Lemon sherbat has a sweet, sour and salty taste and it can be poured in a glass.
