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

ans is________

• Vishalraj
• 9295 Views
• 332 Answers

• 1 in general and 4 in our body

  • Vivekh
  • 07 Apr
  • 0 Comment

  0

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• diamond

  • Shaheen
  • 02 Apr
  • 0 Comment

  0

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• diamond

  • Arati
  • 29 Mar
  • 0 Comment

  6

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• Diamond

  • Hrishita
  • 16 Mar
  • 0 Comment

  7

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• 1

  • Yash
  • 15 Mar
  • 0 Comment

  0

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• diamond

  • Alisha
  • 14 Mar
  • 0 Comment

  4

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• 4

  • Vraj
  • 13 Mar
  • 0 Comment

  -1

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• 4

  • Deepak
  • 10 Mar
  • 0 Comment

  -1

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• diamond

  • Nikita
  • 08 Mar
  • 0 Comment

  0

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• Diamond

  • Suchita
  • 25 Feb
  • 0 Comment

  10

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• diamond

  • Vinay
  • 24 Feb
  • 0 Comment

  7

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• daimond

  • Balasarathi
  • 24 Feb
  • 0 Comment

  6

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• Diamond

  • Ashwin
  • 24 Feb
  • 0 Comment

  0

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• 4

  • Jignesh
  • 23 Feb
  • 0 Comment

  -1

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• enamel

  • Shubham
  • 23 Feb
  • 0 Comment

  0

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• Diamond

  • Asish
  • 23 Feb
  • 0 Comment

  0

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• Enamel of tooth

  • Kuru
  • 23 Feb
  • 0 Comment

  0

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• 1

  • Vivek
  • 02 Jan
  • 0 Comment

  0

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• diamond

  • Sushanta
  • 23 Dec
  • 0 Comment

  0

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• diamond

  • Manish
  • 22 Dec
  • 0 Comment

  0

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