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Diamond

Which is/are ...

Question

Which is/are the characteristic(s) of Diamond?

A

Opaque

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B

Hardness

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C

Both

A

and

B

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D

Conductor of electricity

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Solution

The correct option is B Hardness
Diamond is a transparent, hard and poor conductor of electricity. In fact, diamond is the hardest known substance on earth. The hardness is due to the presence of strong covalent bonds between carbon atoms. Hence, the option (B) is the correct answer.

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