Question

Select the correct answer to these questions from (a), (b), (c), and (d) as given below:
(a) Both A and R are true and R is the correct explanation of the Assertion
(b) Both A and R are true but R is not the correct explanation of the Assertion
(c) A is true but R is false
(d) A is false but R is true
1. Assertion – For any substance during the change of state, temperature remains constant.
Reason – The heat supplied increases both the kinetic and potential energies of the
particle
2. Assertion – Ice floats on the surface of water.
Reason – Density of ice is less than density of water.
3. Assertion – Liquid diffuse easily as compared to gases.
Reason – Intermolecular forces are greater in gases.
4. Assertion – Camphor disappears without leaving any residue.
Reason – Camphor undergoes sublimation.

Answer 1

Answer:

option D is the correct answer. I hope it helps you.

Answer 2

Answer:

1)c

2)a

3)both are false

4)a