30g Mg and 30g `O_(2)` are reacted and the residual mixture contains:

30g of magnesium and 30g of oxygen are reacted and the residual mixture contains

A flask contains 3g H_(2) and 24g O_(2). The partial pressure of hydrogen in the mixture is

A gaseous mixture contains 1 g of H_(2) , 4 g of He , 7 g of N_(2) and 8 g of O_(2) . The gas having the highest partial pressure is :-

A gaseous mixture contains 1 g of H_(2) , 4 g of He , 7 g of N_(2) and 8 g of O_(2) . The gas having the highest partial pressure is :-

In a closed cylinder there are 60g Ne and 64 g O_(2). if pressure of mixture of gases in cylinder is 30 bar then partial pressure of O _(2) in this cylinder will be-

The vapour density of a mixture containing N_(2) (g) and O_(2) (g) is 14.4. The percentage of N_(2) in the mixture is :

The vapour density of a mixture containing N_(2) (g) and O_(2) (g) is 14.4. The percentage of N_(2) in the mixture is :