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RRB Junior Engineer / DMS / CMA 2019 · Question 138 of 3719

Which of the following international scientific organisations approves the names of elements, symbols and unit?

Chemistry - Periodic Table

  1. Aa. United Nations Educational, Scientific and Cultural Organization
  2. Bb. International Union of Pure and Applied ChemistryCorrect
  3. Cc. International Science Council
  4. Dd. International Union of Geodesy and Geophysics

Answer: B. b. International Union of Pure and Applied Chemistry

Explanation

The International Union of Pure and Applied Chemistry (IUPAC): It is the world authority on chemical nomenclature and terminology, including the naming of new elements in the periodic table; on standardized methods for measurement; and on atomic weights, and many other critically evaluated data. Dr Lynn M. Soby is the Executive Director of IUPAC.

Source: RRB JE 2019 CBT-1 (24-May-2019 Shift-1) — ixambee compilation with answer key and solutions · reliable-secondary

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