Multiple choice general knowledge culture

diamond is the hardest substance in the world

  1. True

  2. False
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Diamond ranks 10 on the Mohs hardness scale, making it the hardest naturally-occurring substance known. While some artificial materials can theoretically exceed diamond's hardness, diamond remains the standard for natural hardness and can scratch almost all other materials.

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