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General Knowledge · Q98

Practice

Competitive Exams · General Knowledge · question 98

Q98

Hardest allotrope of carbon is

A.
Diamond
Answer
B.
Graphite
C.
Coke
D.
Lamp black

Answer: Option A

Solution

Answer: Option A
Solution:
Diamond is a well known allotrope of carbon. The hardness and high dispersion of light of diamond make it useful for both industrial applications and jewelry. Diamond is the hardest known natural mineral.
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