If the mass ratio of helium and methane is `1:8` then the molar ratio of two gases will be
O `1:8`
O `1:4`
O `1:1`
O `1:2`

If the ratio of volumes of two spheres is 1:8, then the ratio of their surface area is 1:2 (b) 1:4 (c) 1:8 (d) 1:16

A mixture of gases contains H_(2) and O_(2) gases in the ratio of 1:4 (w//w) . What is the molar ratio of the two gases in the mixture?

What is the ratio of number of molecules, if tha mass ratio of N_(2) and O_(2) is 4:1 ?

If the volumes of two cubes are in the ratio 8:1, then the ratio of their edges is 8:1 (b) 2sqrt(3):1( c) 2:1 (d) none of these

Two gases H_2 and O_2 fuse from two different containers having same pressure and temperature. If the ratio of area of cross section of hole is 1:2 then the ratio of rate of effusion will be