Hardest substance known is___________??? 1. Diamond 2. graphite 3. alloy of tin and iron 4. enamel of tooth

ans is________

• Vishalraj
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• 332 Answers

• diamond

  • Dholeriya
  • 04 Oct
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• 1

  • Shaziya
  • 04 Oct
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• Diamond

  • Surya
  • 04 Oct
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• hardest substance knwn is diamond

  • Aliya
  • 03 Oct
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  2

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• diamond

  • Kamakshi
  • 03 Oct
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• diamond

  • Shubhankar
  • 03 Oct
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• diamond

  • Sunethhriesuresh
  • 02 Oct
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  0

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• diamond

  • Seema
  • 30 Sep
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• 1 Diamond

  • Arya
  • 30 Sep
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• enamel of tooth

  • Suman
  • 30 Sep
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  -1

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• diamond

  • Prameet
  • 29 Sep
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• enamel of teeth

  • Amit
  • 27 Sep
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  -1

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• Diamond

  • Abhipsa
  • 27 Sep
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• Diamond is the hardest substance known and enamel is the hardest substance of human body

  • Ankita
  • 22 Sep
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• 1

  • Mruthyunjaya
  • 20 Sep
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• diamond

  • Siddhartha
  • 20 Sep
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• diamond

  • Victor
  • 20 Sep
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  0

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• 4

  • Anupriya
  • 19 Sep
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• dimond

  • Sweety
  • 19 Sep
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• diamond

  • Saurabh
  • 18 Sep
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