Chapter 4: Matter Properties Physics Mcqs for High School - Grade 9 - Set 7

1)   Matter is made up of particles known as






a. molecules
b. chemicals
c. radicants
d. hydrocarbons
Answer  Explanation 

ANSWER: molecules

Explanation:
No explanation is available for this question!


2)   At sea level, the atmospheric pressure is about






a. 101,300 Pa
b. 125,000 Pa
c. 163,000 Pa
d. 200,300 Pa
Answer  Explanation 

ANSWER: 101,300 Pa

Explanation:
No explanation is available for this question!


3)    In SI, the unit of stress is






a. Nm-3
b. Nm4
c. Nm-2
d. Nm-1
Answer  Explanation 

ANSWER: Nm-2

Explanation:
No explanation is available for this question!


4)   1 Pa is equal to






a. 2 Nm-2
b. 5 Nm-2
c. 1 Nm-2
d. 10 Nm-2
Answer  Explanation 

ANSWER: 1 Nm-2

Explanation:
No explanation is available for this question!


5)   The ionic state of matter in which the electrons of atom become positive ions is called as






a. gas
b. plasma
c. solid
d. liquid
Answer  Explanation 

ANSWER: plasma

Explanation:
No explanation is available for this question!


6)   The density of air in the atmosphere is






a. uniform
b. not uniform
c. zero
d. none of above
Answer  Explanation 

ANSWER: not uniform

Explanation:
No explanation is available for this question!


7)   A gradual large increase in the atmospheric pressure predicts






a. intense weather condition
b. no change in weather
c. long spell of pleasant weather
d. none of above
Answer  Explanation 

ANSWER: long spell of pleasant weather

Explanation:
No explanation is available for this question!


8)   If the density of air is 1.3 kgm-3. The mass of air in a room measuring 8m×5m×4m is






a. 210 kg
b. 208 kg
c. 215 kg
d. 220 kg
Answer  Explanation 

ANSWER: 208 kg

Explanation:
No explanation is available for this question!


9)   The density of 5 lit of water having mass 5 kg is






a. 100 kg m-3
b. 500 kg m-3
c. 750 kg m-3
d. 1000 kg m-3
Answer  Explanation 

ANSWER: 1000 kg m-3

Explanation:
No explanation is available for this question!


10)   The density of water is






a. 100 kgm-3
b. 10 kgm-3
c. 1000 kgm-3
d. 2000 kgm-3
Answer  Explanation 

ANSWER: 1000 kgm-3

Explanation:
No explanation is available for this question!