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SSC CHSL 2020 PYQ — Question 48

SSC CHSL - 16th October 2020 - Shift 1 • General Awareness • Q48

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Which is the second most abundant gas in Earth's atmosphere?

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Correct answer: D

Explanation

The correct answer is option 4 i.e. Oxygen.

  • The most abundant gas in the atmosphere is nitrogen, with oxygen second.  
  • Argon, an inert gas, is the third most abundant gas in the atmosphere.