Pressure exerted by 2 grams of helium present in a vessel is 1.5 atm. If 4 grams of gas 'x' is introduced into the same vessel keeping the condition constant, the pressure is 2.25 atm Gas 'x' is

Pressure exerted by 2 grams of helium present in a vessel is 1.5 atm.

1.	Pressure exerted by 2 grams of helium present in a vessel is 1.5 atm. If 4 grams of gas 'x' is introduced into the same vessel keeping the condition constant, the pressure is 2.25 atm Gas 'x' is
Answer» hydrogen methane oxygen sulphurdioxide ANSWER :B