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Online Tests
9th Class Chemistry Chapter 5 Physical States of Matter English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
There are ____________ types of solids.
Choose an answer
1
2
6
4
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Question # 2
The simplest of these has formula:
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C60
C10
V20
C30
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Question # 3
Which is kept constant in the Charle's law:
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Pressure
Temperature
Volume
Mass
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Question # 4
Carbon exists in ________________ allotropic forms.
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1
2
3
4
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Question # 5
Bucky balls are ____________ allotropic forms of carbon.
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1st
2nd
3rd
4th
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Question # 6
P1V1 = P2V2 is mathematical form of ____________ law.
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Bohr's
Charles
Boyle's
Nil
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Question # 7
Intermolecular forces are ____________ than chemical bonds.
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Stronger
Weaker
Wqual
Nil
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Question # 8
Bucky Balls are used as ________________
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Cutting
Grafting
Lubricants
Nil
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Question # 9
The escape of gaseous molecules one by one is called ____________.
Choose an answer
Diffusion
Effusion
A & b
Nil
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Question # 10
At freezing point which one of the following coexists in dynamic equilibrium?
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gas and solid
liquid and gas
liquid and solid
all of these
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Question # 11
Atoms are arranged in ________________ structure in Bucky balls.
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Hollow
Cage
A & B
Nil
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Question # 12
The reverse of evaporation is:
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Boiling
Diffusion
Condensation
Freezing
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Question # 13
Density of a gas increases, when its:
Choose an answer
temperature is increased
pressure is increased
volume is kept constant
none of these
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