Matter and Its Composition CDS Questions

CDS Chemistry

Matter and Its Composition MCQ Questions


1.
Three states of matter are the result of balance between intermolecular forces and _____ of the molecules.
A.
Thermal energy
B.
Tidal energy
C.
Solar energy
D.
Nuclear energy
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ANSWER :
A. Thermal energy
2.
What is the lowermost layer of the atmosphere?
A.
Exosphere
B.
Lithosphere
C.
Troposphere
D.
Stratosphere
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ANSWER :
C. Troposphere
3.
_____ are the forces of attraction and repulsion between interacting particles (atoms and molecules).
A.
Strong nuclear force
B.
Weak nuclear force
C.
Intermolecular forces
D.
None of the above
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ANSWER :
C. Intermolecular forces
4.
The attractive intermolecular forces are known as _____
A.
Van der Waals force
B.
Strong nuclear force
C.
Weak nuclear force
D.
Law of attraction
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ANSWER :
A. Van der Waals force
5.
The attractive forces between an ion and a dipole are known as _____
A.
Van der Waals force
B.
Ion-dipole force
C.
Weak nuclear force
D.
Strong nuclear force
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ANSWER :
B. Ion-dipole force
6.
The ends of the dipole possess _____
A.
Partial charges
B.
Spatial charges
C.
Tightened charges
D.
None of the above
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ANSWER :
A. Partial charges