Periodic Classification of Elements UPSC Questions

Physics

Periodic Classification of Elements MCQ Questions


7.
The metals produce ringing sound is called
A.
Resonance
B.
Permitivity
C.
Sonorous
D.
None of the above
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ANSWER :
C. Sonorous
8.
Which of the following about metals is correct (i) Metals are hard except sodium (ii)They are shiny (iii) They are malleable and ductile (iv) They are electropositive in nature
A.
(i) and (ii) only
B.
(ii) and (iii) only
C.
(i), (ii) and (iii) only
D.
All the above
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ANSWER :
D. All the above
9.
Which of the following can be beaten into thin sheets?
A.
Zinc
B.
Phosphorus
C.
Sulphur
D.
Oxygen
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ANSWER :
A. Zinc
10.
Aluminium foil is example of
A.
Permeability
B.
Malleability
C.
Permitivity
D.
Ductility
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ANSWER :
B. Malleability
11.
A metal that always found in a free state is called
A.
Copper
B.
Iron
C.
Silver
D.
Gold
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ANSWER :
D. Gold
12.
Which of the following statements is/are correct?
A.
All metals are ductile
B.
All non-metals are ductile
C.
Generally, metals are ductile
D.
Some non-metals are ductile
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ANSWER :
C. Generally, metals are ductile