Which of the following noble gases is abundant in air?
Correct answer: A. Argon
- A. Argon
- B. Helium
- C. Neon
- D. Methane
Explanation
Argon is the most abundant noble gas in Earth’s atmosphere, making up about 0.93% of dry air. Neon and helium occur only in very small amounts, while methane is not a noble gas.
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