SSC JE Mechanical 11 Oct 2023 Shift 2 Paper

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Question : 93 of 200

Marks: +1, -0

What is the respective percentage of CO2, N2, and O2 in the atmosphere?

CO₂ = 0.04%, N₂= 20.95%, O₂ = 78.08%
CO2 = 0.03%, N₂= 68.08%, O₂= 30.95%
CO2 = 0.08%, N₂= 70.08%, O₂ = 29.95%
CO2 = 0.04%, N₂ = 78.08%, O₂ = 20.95%

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