UPSC CDS 1 2018 GK Paper

© examsiri.com
Question : 41 of 120
 
Marks: +1, -0
Consider the following constituent gases of the atmosphere :
1. Argon
2. Neon
3. Helium
4. Carbon dioxide
Which one of the following is the correct ascending sequence of the above gases in terms of the volume percentage?
[2018 CDS-I]
Go to Question: