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Chemistry 9 Chapter 5 - Physical States of Matter -1
1.
Which one of the following is a state of matter?
a) Liquid
b) Solid
c) Gas
d) All of these
2.
Our atmosphere is a mixture of?
a) Gases
b) None
c) Solids
d) Liquids
3.
The most common liquid on earth is?
a) Butter
b) Water
c) Ghee
d) Oil
4.
The characteristic smell of rotten egg spreads throughout the room. This is due to?
a) Diffusion
b) Compressibility
c) Effusion
d) Pressure
5.
The movement of molecules from a higher concentration to a lower concentration is known as?
a) Osmosis
b) Pressure
c) Diffusion
d) Effusion
6.
Which one of the following state of matter has widely separated molecules?
a) Gas
b) Liquid
c) None
d) Solid
7.
The escape of gas molecules through the hole one after the other without collision is known as?
a) Diffusion
b) Effusion
c) Osmosis
d) Pressure
8.
Which one of the following has no repulsive forces in thier molecules?
a) Gases
b) Solids
c) Liquids
d) All of these
9.
Force exerted by a gas on unit area of a container is known as?
a) Pressure
b) Compressibility
c) Effusion
d) Diffusion
10.
At sea level at zero degree centigrade, the atmospheric pressure is?
a) 760 torr
b) 560 torr
c) 660 torr
d) 460 torr
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