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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
Increase in ________________ increase evaporation.
Choose an answer
Temperature
Stronger
All
None of above
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Question # 2
Carbon exists in ________________ allotropic forms.
Choose an answer
1
2
3
4
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Question # 3
When temperature of water drops to ____________ °C it convert onto ice.
Choose an answer
0
-2
-1
1
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Question # 4
Graphite is ___________
Choose an answer
Hard
Nil
Soft
Nil
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Question # 5
____________ solids are arranged in 3 dimension.
Choose an answer
Crystalline
Amorphous
Both
None
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Question # 6
The absolute zero means:
Choose an answer
273.15 °C
-273.15 °C
0 °C
-373.15 °C
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Question # 7
Which one of the following is not amorphous?
Choose an answer
rubber
plastic
glass
glucose
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Question # 8
Which one of the following does not affect the boiling point?
Choose an answer
intermolecular forces
external pressure
nature of liquid
initial temperature of liquid
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Question # 9
One atmospheric pressure is equal to how many pascals?
Choose an answer
101325
10325
106075
10523
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Question # 10
Transition temperature of sulphur is ____________
Choose an answer
95.6
95
95.5
96
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Question # 11
The reverse of evaporation is:
Choose an answer
Boiling
Diffusion
Condensation
Freezing
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Question # 12
There are ____________ types of solids.
Choose an answer
1
2
6
4
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Question # 13
Which has lowest density?
Choose an answer
liquids
Solids
Gases
Plasma
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Question # 14
The vapour pressure of a liquid increase with the:
Choose an answer
increase pressure
increase of temperature
increase of intermolecular forces
increase of polarity of molecules
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Question # 15
Gases have fixed ____________
Choose an answer
Shape
Volume
Area
Nil
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Question # 16
T (K) =
Choose an answer
(T) °C + 273
(T) °C -273
(T) °C + 373
(T) °C -373
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Question # 17
Mass per unit volume is:
Choose an answer
Velocity
Dencity
Pressure
Nil
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Question # 18
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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Question # 19
Bucky Balls are used as ________________
Choose an answer
Cutting
Grafting
Lubricants
Nil
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Question # 20
The escape of gaseous molecules one by one is called ____________.
Choose an answer
Diffusion
Effusion
A & b
Nil
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