Metal and Non-Metals UPSC Questions

Chemistry

Metal and Non-Metals MCQ Questions


1.
Metals in their pure state have a shining surface property is called
A.
Metallic Lustre
B.
Copper
C.
Silver
D.
Gold
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ANSWER :
A. Metallic Lustre
2.
Which is the most ductile metal ?
A.
Silver
B.
Diamond
C.
Gold
D.
Platinum
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ANSWER :
C. Gold
3.
All metals except mercury exist as ________ at room temperature observed that metals have high melting points.
A.
Liquids
B.
Solids
C.
Gas
D.
Hydrogen
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ANSWER :
B. Solids
4.
__________ is a non-metal that can exist in different forms. Each form is called an allotrope.
A.
Nitrogen
B.
Oxygen
C.
Dioxide
D.
Carbon
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ANSWER :
D. Carbon
5.
__________ an allotrope of carbon is the hardest natural substance known and has a very high melting and boiling point.
A.
Copper
B.
Silver
C.
Diamond
D.
Platinum
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ANSWER :
C. Diamond
6.
Graphite another allotrope of carbon is a conductor of
A.
Electricity
B.
Electrical Energy
C.
Chemical Energy
D.
Electron
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ANSWER :
A. Electricity