Physical Properties and States of Matter NDA Questions

NDA Physics

Physical Properties and States of Matter MCQ Questions

1.

Which of the following is not a state of matter?

A.

Solid

B.

Gas

C.

Plasma

D.

Energy

ANSWER :

D. Energy

2.
The process of conversion of a solid directly into vapor without passing through the liquid state is called?
A.
Condensation
B.
Evaporation
C.
Sublimation
D.
Fusion
ANSWER :
C. Sublimation
3.
At which point on a phase diagram do all three phases of matter coexist?
A.
Critical point
B.
Triple point
C.
Boiling point
D.
Freezing point
ANSWER :
B. Triple point
4.
What happens to the density of a gas as pressure increases?
A.
Increases
B.
Decreases
C.
Remains constant
D.
Depends on the temperature
ANSWER :
A. Increases
5.
The attractive forces between molecules in a gas are
A.
Strong
B.
Weak
C.
Non-existent
D.
Dependent on temperature
ANSWER :
C. Non-existent
6.
The boiling point of water in Fahrenheit scale is
A.
0°F
B.
32°F
C.
100°F
D.
212°F
ANSWER :
D. 212°F