Melting Point

Q.

Explain the process of melting on the basis of the kinetic theory of matter.

Q.

Assertion: On heating a solid, its particles start vibrating vigorously.

Reason: At the melting point, the particles of the solid acquire sufficient kinetic energy to overcome the strong forces of attraction between them and move away from their positions, thus, the solid changes into a liquid.

Mark the correct choice:

1. Both A and R are correct and R is the correct explanation of A.

2. Both A and R are correct and R is not the correct explanation of A.

3. A is correct but R is incorrect.

4. A is incorrect but R is correct.

5. Both A and R are incorrect.

Q.

Differentiate between solids, liquids and gases: On the basis of molecular motion

Q.

What is the relationship between melting point and freezing point of a body?

1. Both occur at the same temperature

2. Melting point is greater than freezing point

3. Freezing point is greater than melting point

4. It cannot be determined

Q.

what is the melting point of diamond?