Question No : 8
One gram molecule of a gas at N.T.P occupies 22.4 litres. This fact was derived from
Question No : 9
The relation between molecular wt. and vapour density is
Question No : 10
The vol. of 20 gms of nitrogen at N.T.P.
Question No : 11
The wt. of 2.8 litres of a gas at N.T.P. is 3.50 gms. Its V.D. is
Question No : 12
Which of the following phrases would be incorrect to use?
Question No : 13
The vapour density of a gas in 35.5. The volume occupies by 3.55 gms of the gas at N.T.P. is
Question No : 14
The number of N2 molecules present in 28 nitrogen is