Periodic Classification of Elements UPSC Questions

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
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
ANSWER :
A. Metalloids
3.
The law of Octaves was invented by
A.
J.W.Dobereiner
B.
Mendeleev
C.
Newland
D.
Faraday
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
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
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
ANSWER :
A. Ductility