Equal volumes of different gases under similar conditions of temperature and pressure contain equal number of _______

Under identical conditions of pressure and temperature

According to Avogadro law the correct statements are a) Volume of gas is proportional to the no. of moles at constant T and P b) The pressure of a gas is directly proportional to temp. of the gas under all conditions c) Equal volumes of different gases under similar conditions consist of equal no. of molecules d) Equal volumes of different gases under same conditions have equal no. of atoms

40 ml of a hydrocarbon undergoes combustion in 260 ml oxygen and gives 160 mlof CO_(2) . If all volumes are measured under similar conditions of temperature and pressue, the formula of the hydrocarbon is

If one mole of a gas A (mol.wt-40) occupies a volume of 201itres, under the same conditions of temperature and pressure the volume occupied by 2 moles of gas B (mol.wt=80) is

The rate of effusion of two gases 'a' and 'b' under identical conditions of temperature and pressure are in the ratio of 2:1. What is the ratio of rms velocity of their molecules if T_a and T_b are in the ratio of 2:1

Equal volume of oxygen and ozone at a given temperature and pressure contain equal

The ratio of densities of hydrogen, deuterium and tritium under similar conditions of temperature and pressure