Category > General Science (Chemistry) MCQs For WBCS Prelims and Main

Q. The most abundant rare gas in the atmosphere is

Answer : Argon
Explanation:

Argon is a chemical element with the symbol Ar and atomic number 18. It is in group 18 of the periodic table and is a noble gas. Argon is the third most abundant gas in the Earth's atmosphere.

Nitrogen — 78%
Oxygen — 21%
Argon — 0.93%

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