The correct ascending order of adsorption of the following gases on the same mass of charcoal at same temperature and pressure is

Which of the following gases will have least volume if 10g of each gas is taken at same temperature and pressure?

Which of the following quantities is the same for all ideal gases at the same temperature?

Which of the following quantities is the same for all ideal gases at the same temperature?

Which of the following quantities is the same for all ideal gases at the same temperature?

Which of the following quantities is the same for all ideal gases at the same temperature?

Which of the following paramenters is the same for molecules of all gases at a given temperature?

Which of the following gases is adsorbed most by activated charcoal?

Which of the following gases is adsorbed most by activated charcoal?

Which of the following gases is adsorbed most by activated charcoal?

In a Regnault's experiment, the mass of a definite volume of a gas was found to be 4.6420 g, whereas the mass of the same volume of hydrogen at the same temperature and pressure was found to be 0.2902 g. Calculate the vapour density and molecular mass of the gas.