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This question belongs to General Knowledge General Science

General Science

?

The hardest substance available on earth is

A) Gold B) Iron C) Diamond D) Platinum

Answer & Solution

Correct Answer: Option C

Diamond is regarded to be the hardest known material in the world.

Question posted by Examveda

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1 Comment

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NILESH KAKDE 9 years ago

DIAMOND IS MADE FROM CARBON.

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