Multiple choice general knowledge

Mole Day is an unofficial holiday celebrated among chemists in North America on

  1. October 23

  2. December 25

  3. June 15

  4. January 25
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A Correct answer
Explanation

Mole Day is celebrated on October 23rd from 6:02 AM to 6:02 PM, honoring Avogadro's number (6.02 × 10^23), which is the number of particles in one mole of a substance. December 25 is Christmas, January 25 and June 15 have no significance in chemistry.

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