Semiconductor Electronics Materials Devices and Simple Circuits - Result Question 52
53. Diamond is very hard because
[1993]
(a) it is a covalent solid
(b) it has large cohesive energy
(c) high melting point
(d) insoluble in all solvents
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Answer:
Correct Answer: 53. (b)
Solution:
- (b) Diamond is very hard due to large cohesive energy.
