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SSC CGL 2021 PYQ — Question 36

SSC CGL - 16 Aug 2021 - Shift 2 • General Awareness • Q36

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Of the known elements in the periodic table, only ______ are gases under normal atmospheric conditions.

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Correct answer: A

Explanation

The correct answer is option 1 i.e. 11.

  • Only 11 gases are under normal atmospheric conditions, out of the known elements in the periodic table.
  • These gases include Hydrogen, Nitrogen, Oxygen, Fluorine, Chlorine, Argon, Neon, Helium, Krypton, Xenon and Radon.