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BPSC (Bihar PCS) 2019 · Question 80 of 148

UNESCO inaugurated the celebration of 2019 as the International Year of the Periodic Table of Chemical Elements to celebrate its completion of how many years?

Modern History

  1. A100
  2. B150Correct
  3. C75
  4. D50
  5. ENone of the above/More than one of the above

Answer: B. 150

Explanation

2019 marked 150 years of the Periodic Table (Mendeleev, 1869), celebrated by UNESCO.

Source: Jagranjosh

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