Chemistry·MCQ Practice

Gas Laws — MCQ Practice

NEET UG
Updated 13 Sep 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 2.5 L2.5\,\text{L} at 27∘C27^\circ C and 1 atm1\,\text{atm} pressure. What will be its volume at 127∘C127^\circ C and 2 atm2\,\text{atm} pressure?

Q2easy

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

Q3medium

A 10 L10\,\text{L} container holds a mixture of 0.5 mol0.5\,\text{mol} of N2N_2 and 0.3 mol0.3\,\text{mol} of O2O_2 at 300 K300\,\text{K}. What is the total pressure of the gas mixture? (Given: R=0.0821 L atm mol−1K−1R = 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 = 16 g/mol16\,\text{g/mol}) and SO2SO_2 (Molar mass = 64 g/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 25∘C25^\circ C. The total pressure inside the container is 750 mmHg750\,\text{mmHg}. If the vapor pressure of water at 25∘C25^\circ C is 23.8 mmHg23.8\,\text{mmHg}, what is the partial pressure of the dry gas?