Q. Consider the following constituent gases of the atmosphere :1. Argon2. Neon3. Helium4.Ceirbon dioxideWhich one of the following is the correct ascending sequence of the above gases in terms of the volume percentage?
A) 1-4-2-3
B) 1-3-2-4
C) 2-4-1-3
D) 4-2-3-1
✔ Correct Answer: 1-4-2-3
Exam Insight
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