Periodic Classification of Elements UPSC Questions

Physics
Periodic Classification of Elements

Periodic Classification of Elements MCQ Questions


1.
In the beginning, elements of the periodic table are mainly classified into
A.
Metals only
B.
Non-Metals only
C.
Metals and Non-Metals
D.
metalloids
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ANSWER :
C. Metals and Non-Metals
2.
Some elements exhibited properties because of which they could neither be classified as metals nor non-metals and hence were called as
A.
Metalloids
B.
Metallurgy
C.
Periodic table
D.
None of the above
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ANSWER :
A. Metalloids
3.
The law of Octaves was invented by
A.
J.W.Dobereiner
B.
Mendeleev
C.
Newland
D.
Faraday
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ANSWER :
C. Newland
4.
Match the following Elements Symbols (a) Potassium - (1) K (b) Gold - (2) Au (c) Aluminum - (3) Al (d) Magnesiun - (4) Mg
A.
a-1,b-2,b-3,d-4
B.
a-4,b-3,c-2,d-1
C.
a-2,b-1,c-3,d-4
D.
a-3,b-2,c-1,d-4
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ANSWER :
A. a-1,b-2,b-3,d-4
5.
The property of metals by which they can be beaten into thin sheets is called
A.
Permeability
B.
Malleability
C.
Permitivity
D.
Ductility
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ANSWER :
B. Malleability
6.
The property of metal by which it can be drawn into wires is called
A.
Ductility
B.
Permeability
C.
Malleability
D.
Permitivity
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ANSWER :
A. Ductility
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