CUET Preparation Today
| Apart from Nitrogen and Oxygen which of the following gas is found most abundantly in earth's atmosphere? |
Carbon dioxide Argon Neon Helium |
| Argon |
| The most abundant naturally occurring gas is nitrogen (N2), which makes up about 78% of air. Oxygen (O2) is the second most abundant gas at about 21%. The inert gas argon (Ar) is the third most abundant gas at 0.93%. |
