The hardest substance available on earth is

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RRB TA Exam (Malda) 2008 click here to view all questions

The hardest substance available on earth is

APlantinum

Bdiamond

CQuartz

DGold

Akilesh Kharvi ? Jun 17 '2017 at 10:54

Answer is diamond

Explanation:

The harders substance on Earth is Diamond. It may be noted that Diamond is an allotrope of carbon 

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Answer is diamond Explanation: The harders substance on Earth is Diamond. It may be noted that Diamond is an allotrope of carbon  Akilesh Kharvi ? answered Jun 17 '2017 at 10:54 All Comments

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