State of Matter UPSC Questions

Chemistry

State of Matter MCQ Questions


13.
What is the order of the predominance of intermolecular interactions?
A.
Solid->Liquid->Gas
B.
Gas->Liquid->Solid
C.
Gas->Solid->Liquid
D.
Liquid->Gas->Solid
😑 View Answer Rough Work Error
ANSWER :
B. Gas->Liquid->Solid
14.
What is the order of the predominance of thermal energy?
A.
Solid<-Liquid<-Gas
B.
Liquid<-Gas<-Solid
C.
Solid->Gas->Liquid
D.
Gas<-Liquid<-Solid
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ANSWER :
D. Gas<-Liquid<-Solid
15.
What is the lowermost layer of the atmosphere?
A.
Exosphere
B.
Lithosphere
C.
Troposphere
D.
Stratosphere
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ANSWER :
C. Troposphere
16.
Which of the following are the properties of the gaseous states?
a) Gases are highly compressible
b) Gases exert pressure equally in all directions
c) They have much lower density than the solids and liquids
d) They mix evenly and completely in all proportions without any mechanical fluid.
A.
All a,b,c,d
B.
Both a and b
C.
Only c
D.
None of the above
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ANSWER :
A. All a,b,c,d
17.
At constant temperature, the pressure of a fixed amount of gas varies _____ with its volume. This is called Boyle's Law.
A.
Directly
B.
Inversely
C.
Forward
D.
Backward
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ANSWER :
B. Inversely
18.
Kelvin scale of temperature is also called ______ of temperature and is used in all scientific works.
A.
Pressure scale
B.
Degree scale
C.
Temperature scale
D.
Thermodynamic scale
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ANSWER :
D. Thermodynamic scale