The ratio of the rates of diffusion of oxygen to unknown gas is 1:4 , the unknown gas is:

The rate of diffusion of a gas is

The rate of diffusion of a gas is

Rate of diffustion of a gas is :

What is the ratio of diffusion rate of oxygen to hydrogen?

If the ratio of the rates of diffusion of two gases A and B is 4:1 the ratio of their density is

The ratio of rates of diffusion of SO_(2) , O_(2) and CH_(4) is

The ratio of rate of diffusion for two gases is 1 : 2 if their molecular masses :-

The ratio of the rate of diffusion of a given element to that of helium at the same pressure is 1.4. The molecular weight of the element is

Ratio of the rate of effusion of oxygen gas at 1.5 atm to that of helium gas at 4.5 atm will be

The rate of diffusion of a gas is proportional to