Match and select the correct answer from codes given below.
Component of atmospheric air Approximate percentage of volume
A. Nitrogen I. 21
B. Oxygen II. 0.9
C. Argon III. 0.03
D. Carbon dioxide IV. 78.08

A- III, B- IV, C- II, D- I

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A- IV, B- III, C- I, D- II

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A- IV, B- II, C- I, D- III

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A- IV, B- I, C- II, D- III

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Solution

The correct option is B A- IV, B- I, C- II, D- III
The composition of air in percent by volume, at sea level at $15^{0} C$ and 101325 Pa is as follows-
Nitrogen -- ( $N_{2}$ ) -- 78.084%
Oxygen -- ( $O_{2}$ ) -- 20.9476%
Argon -- ( $A r$ ) -- 0.934%
Carbon dioxide -- ( $C O_{2}$ ) -- 0.0314%.

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Component of atmospheric air	Approximate percentage of volume
A. Nitrogen	I. 21
B. Oxygen	II. 0.9
C. Argon	III. 0.03
D. Carbon dioxide	IV. 78.08

Match and select the correct answer from codes given below.Component of atmospheric airApproximate percentage of volumeA. NitrogenI. 21B. OxygenII. 0.9C. ArgonIII. 0.03D. Carbon dioxideIV. 78.08

The correct option is B A- IV, B- I, C- II, D- IIIThe composition of air in percent by volume, at sea level at 150C and 101325 Pa is as follows-Nitrogen -- (N2) -- 78.084%Oxygen -- (O2) -- 20.9476% Argon -- (Ar) -- 0.934% Carbon dioxide -- (CO2) -- 0.0314%.

Match and select the correct answer from codes given below.
Component of atmospheric air Approximate percentage of volume
A. Nitrogen I. 21
B. Oxygen II. 0.9
C. Argon III. 0.03
D. Carbon dioxide IV. 78.08

The correct option is B A- IV, B- I, C- II, D- III
The composition of air in percent by volume, at sea level at $15^{0} C$ and 101325 Pa is as follows-
Nitrogen -- ( $N_{2}$ ) -- 78.084%
Oxygen -- ( $O_{2}$ ) -- 20.9476%
Argon -- ( $A r$ ) -- 0.934%
Carbon dioxide -- ( $C O_{2}$ ) -- 0.0314%.