" If air contains "N," and "O," in volume ratio "4:1." The average vapour density of air is: "

If air contains N_2 and O_2 in volume ratio 4:1, the average vapour density of air is :

If air contains N_(2) and O_(2) in volume ratio 4 : 1 , the average vapour density of air is:

If air contains 'N_2' and 'O_2 in^prime' vòlume ratio '4: 1', the average vapour density of air is

Air contains nitrogen and oxygen in the volume ratio of 4:1 . The average molecular weight of air is

A mixture of two gases CO and N_2 are present in a container in 2 : 1 volume ratio . The vapour density of mixture is : [Atomic mass , C=12, N=14, O=16]

A mixture of two gases CO and N_2 are present in a container in 2 : 1 volume ratio . The vapour density of mixture is : [Atomic mass , C=12, N=14, O=16]

A mixture contains N_(2)O_(4) and NO_(2) in the ratio 2:1 by volume. The vapour density of the mixture is:

A mixture contains N_(2)O_(4) and NO_(2) in the ratio 2:1 by volume. The vapour density of the mixture is:

A mixture contains N_(2)O_(4) and NO_(2) in the ratio 2:1 by volume. Calculate the vapour density of the mixture?