Chemistry 9 Chapter 5 - Physical States of Matter -2

Chemistry 9 Chapter 5 - Physical States of Matter -2

1. One atmosphere is equal to?

a) 660 torr
b) 650 torr
c) 750 torr
d) 760 torr

2. 760 torr is equal to 760mm of?

a) Zn
b) Hg
c) Au
d) Cu

3. The SI unit of pressure is?

a) Kelvin
b) Pascal
c) Meter
d) Ampere

4. The force of one newton exerted on an area of one square meter is known as?

a) Meter
b) Pascal
c) Ampere
d) Kelvin

5. 1 atm is equal to?

a) 1.325 kPa
b) 1013 kPa
c) 101.325 kPa
d) 10.325 kPa

6. Which one of the following is highly compressible?

a) Gas
b) None
c) Liquid
d) Solid

7. When a gas is cooled, its density?

a) Decreases
b) Increases
c) Does not affect

8. Which one of the following is the property of gases?

a) Diffusion
b) All of these
c) Effusion
d) Mobility

9. When the pressure decreases at constant temperature, the average kinetic energy of gas molecules when collide with the walls of the container?

a) Decreases
b) Will not change
c) Increases

10. When a gas is cooled, its volume?

a) Increases
b) Decreases
c) Does not affect

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