Chemistry·MCQ Practice

Gas Laws — MCQ Practice

NEET UG
Updated 22 Mar 2026

Interactive MCQ Practice

Test your knowledge. Click “Solve” to reveal options, select your answer, then check the result. 6 questions available.

Q1medium

A gas occupies a volume of 2.5L2.5\,\text{L} at 27C27^\circ C and 1atm1\,\text{atm} pressure. What will be its volume at 127C127^\circ C and 2atm2\,\text{atm} pressure?

Q2easy

Which of the following graphs correctly represents Boyle's Law (at constant temperature and number of moles)?

Q3medium

A 10L10\,\text{L} container holds a mixture of 0.5mol0.5\,\text{mol} of N2N_2 and 0.3mol0.3\,\text{mol} of O2O_2 at 300K300\,\text{K}. What is the total pressure of the gas mixture? (Given: R=0.0821L atm mol1K1R = 0.0821\,\text{L atm mol}^{-1}\text{K}^{-1})

Q4easy

Under what conditions do real gases behave most like ideal gases?

Q5medium

Two gases, CH4CH_4 (Molar mass = 16g/mol16\,\text{g/mol}) and SO2SO_2 (Molar mass = 64g/mol64\,\text{g/mol}), are allowed to effuse through a small hole. If CH4CH_4 effuses at a rate of X,mol/sX,\text{mol/s}, what is the rate of effusion of SO2SO_2?

Q6easy

A gas is collected over water at 25C25^\circ C. The total pressure inside the container is 750mmHg750\,\text{mmHg}. If the vapor pressure of water at 25C25^\circ C is 23.8mmHg23.8\,\text{mmHg}, what is the partial pressure of the dry gas?