States of Matter NDA Questions

NDA Chemistry

States of Matter MCQ Questions


7.
What is the force of attraction between two temporary dipoles called as?
A.
London force
B.
Dispersion force
C.
Both a and b
D.
German force
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ANSWER :
C. Both a and b
8.
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
9.
Strength of the hydrogen bond is determined by the coulombic interaction between the _____ electrons of the electronegative atom of one molecule and the hydrogen atom of other molecule.
A.
Dipole
B.
Bonded molecule
C.
Bonded atom
D.
Lone-pair
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ANSWER :
D. Lone-pair
10.
Magnitude of the repulsion rises very rapidly as the distance separating the molecules _____
A.
Forward
B.
Rises
C.
Decreases
D.
Increases
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ANSWER :
C. Decreases
11.
Which energy is the energy of a body arising from motion of its atoms or molecules?
A.
Thermal energy
B.
Tidal energy
C.
Solar energy
D.
Nuclear energy
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ANSWER :
A. Thermal energy
12.
Ideal gas equation is a relation between four variables and it describes the state of any gas, therefore, it is also called
A.
Equation of state
B.
Equation of volume
C.
Equation of temperature
D.
None of the above
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ANSWER :
A. Equation of state