Which mineral is the hardest known natural substance? - Practice (English) | ObjectiveMcq

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Which mineral is the hardest known natural substance? - Practice (English) | ObjectiveMcq

PracticeClass 10GeographyWhich mineral is the hardest known ...

Geography Class 10Medium

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Which mineral is the hardest known natural substance?

Correct Answer: B — Diamond

Explanation:

Diamond is the hardest naturally occurring mineral.

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