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Chemistry - 9 Chapter - 6
State of Matter
Test - 12
1.
Liquids exert more pressure on walls of the container than gases?
a) True
b) False
2.
In elastic collision when gas molecules collide with each other their total energy?
a) does not decrease or increase.
b) increases
c) decreases
3.
Ice is heavier than water.
a) False
b) True
4.
Free movement of molecules can be proved phenomenon of diffusion.
a) True
b) False
5.
The free movement of the molecules of gases and liquids is called?
a) Molecular movement
b) Electronic spectrum
c) Brownian movement
6.
Phenomenon of evaporation takes place at a specific temperature.
a) True
b) False
7.
Bonding forces with in molecules are much stronger than intermolecular forces.
a) True
b) False
8.
Volume of ice is more than water.
a) False
b) True
9.
The movement of the molecules from a higher concentration to a lower concentration is called?
a) distillation
b) Diffusion
c) Scattering
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