Physical Chemistry UPSC Questions

Physical Chemistry MCQ Questions

7.
The particles of matter possess _____, and hence they are continuously moving.
A.
Potential energy
B.
Kinetic energy
C.
Electrical energy
D.
Solar energy
ANSWER :
B. Kinetic energy
8.
The increase in temperature _____ the kinetic energy of the particles.
A.
Degenerates
B.
Decelerates
C.
Decreases
D.
Increases
ANSWER :
D. Increases
9.
What is the intermixing of particles of two different types of matter called?
A.
Acceleration
B.
Diversion
C.
Diffusion
D.
None of the above
ANSWER :
C. Diffusion
10.

Statement: Take some water in a container, try cutting the surface of water with your fingers.
Question: What could be the reason behind the surface of water remaining together?

A.

Force acting between the particles

B.

Energy

C.

Fuel

D.

Solution

ANSWER :

A. Force acting between the particles

11.
Solid, liquid, gas states of matter arise due to the variation in the characteristics of the _____ of matter.
A.
Force
B.
Diffusion
C.
Velocity
D.
Particles
ANSWER :
D. Particles
12.
Which of the following has a tendency to maintain its shape when subjected to outside force?
A.
Liquids
B.
Solids
C.
Gases
D.
Plasma
ANSWER :
B. Solids