Which of the following options of ‘Permanent gases of the atmosphere is the correct sequence according to their percentage by volume in atmosphere (highest to lowest)?

By Mandeep Kumar|Updated : July 27th, 2022

1. N2, CO2, O2, He, Ar

2. Ar, N2, CO2, O2, He

3. N2, CO2, O2, Ar, He

4. N2, O2, Ar, CO2, He

Earth’s atmosphere is composed of different gases such as nitrogen, oxygen, argon, carbon dioxide, methane, water vapor, and neon are some of the other gases.

Answer: The correct sequence of ‘Permanent gases of the atmosphere according to their percentage by volume in the atmosphere is N2, O2, Ar, CO2, He.

The atmosphere encompasses many gases including some pollutants and greenhouse gases. The most plentiful gas in the atmosphere is Nitrogen followed by Oxygen and Argon. Plants need nitrogen for their survival and we take some amount of nitrogen when we inhale. Oxygen is produced by the green plants during photosynthesis.

Permanent Gases of the Atmosphere

The details of various gases in the air can be seen in the table given below.

Constituent

Formula

Percentage

Nitrogen

N2

78.08

Oxygen

O2

20.95

Argon

Ar

0.93

Carbon dioxide

CO2

0.036

Neon

Ne

0.002

Helium

He

0.0005

Krypto

Kr

0.001

Xenon

Xe

0.00009

Hydrogen

H2

0.00005

Summary:

Which of the following options of ‘Permanent gases of the atmosphere is the correct sequence according to their percentage by volume in the atmosphere (highest to lowest)?

The correct sequence of ‘Permanent gases of the atmosphere according to their percentage by volume in the atmosphere is N2, O2, Ar, CO2, He.

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