Q. The hardest naturally occurring substance is ________.

  • (A) Iron
  • (B) Diamond
  • (C) Quartz
  • (D) Granite
✅ Correct Answer: (B) Diamond
Explanation: Diamond is the hardest naturally occurring substance.

Published by Rati Dubey ⭐ 9.05K Points at 22-Jul-2026 11:14 pm in General Awareness

Explanation by: Rati Dubey
Diamond is the hardest naturally occurring substance.

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