List of top Chemistry Questions on Ideal gas equation asked in AIIMS

An LPG cylinder, containing $15\, kg$ butane at $27^{\circ} C$ and $10\, atm$ pressure, is leaking. After one day, its pressure decreased to 8 atm. The quantity of gas leaked is

Pressure versus temperature graph of an ideal gas is as shown in figure. Density of the gas at point $A$ is $\rho_{0}$. Density at point $B$ will be

The density of air is $0.001293\, g / cc$ at STP. Its vapour density is