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Hardness and Classification Based on Hardness

Which among t...

Question

Which among the following is hard in nature?

A

Tooth paste

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B

Sponge

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C

Diamond

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D

Foam

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Solution

The correct option is C Diamond
Hardness is the property of a material to resist deformations when pressure is applied.
Out of the given options diamond is the hardest substance. It is one of the hardest materials on the Earth.

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Hardness and Classification Based on Hardness

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