The rate of effusion of a gas is directly proportional to.....

$A$ cylinder is filled with a gaseous mixture containing equal masses of $CO$ and $N_2$. What will be the ratio of their partial pressures?

Gas $X$ diffuses three times faster than gas $Y$. What is the ratio of their densities,i.e.,$D_x : D_y$?

In a container,the mole ratio of two gases $A$ and $B$ is $2 : 5$. The total pressure of the container is $3.5 \times 10^5 \ Pa$. If all molecules of $A$ are removed from the container,what will be the pressure exerted by the molecules of $B$?

$A$ pressure cooker reduces the cooking time because:

$A$ mixture of $CO$ and $N_2$ gases of equal mass is filled in a cylinder. What will be the ratio of their partial pressures?