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Periodic Classification of Elements UPSC Questions
UPSC SYLLABUS
Chemistry
Physical Chemistry
Acid, Base and Salt
Atoms-and-Molecules
Periodic Classification of Elements
State of Matter
Organic Chemistry
Environmental Chemistry
Electrochemistry
Metal and Non-Metals
Thermochemistry
Periodic Classification of Elements MCQ Questions
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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
😑
View Answer
Rough Work
Error
ANSWER
:
C. Metals and Non-Metals
2.
How many elements are there on the periodic table?
A.
120
B.
118
C.
100
D.
98
😑
View Answer
Rough Work
Error
ANSWER
:
B. 118
3.
Among the elements on the periodic table, how many elements are naturally occurring?
A.
94
B.
10
C.
105
D.
87
😑
View Answer
Rough Work
Error
ANSWER
:
A. 94
4.
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
😑
View Answer
Rough Work
Error
ANSWER
:
A. Metalloids
5.
The law of Octaves was invented by
A.
J.W.Dobereiner
B.
Mendeleev
C.
Newland
D.
Faraday
😑
View Answer
Rough Work
Error
ANSWER
:
C. Newland
6.
The earliest attempt to classify the elements resulted in grouping the then known elements as
A.
Natural and man-made
B.
Chemical and physical
C.
Metals and non-metals
D.
None of these
😑
View Answer
Rough Work
Error
ANSWER
:
C. Metals and non-metals
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11-20
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31-40
41-50
51-60
61-70
71-80
81-90
91-91
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