## Ideal Gas Equation - MCQ - Basic Level

**Dear Readers,**

Physics is an important subject in preparation for various Competitive
exams. To keep a track of your preparation we have designed a small quiz
of **Basic Level** Questions on
**Ideal Gas Equation.** You have 10 minutes to solve the
quiz, click the start timer button in order to start the timer and then
click on submit button at the end to submit the quiz and view your scores
and correct answers.

**Q1. **In the realtion n = PV/RT, n =

Number of Moles

**Q2. **A balloon contains of helium at 27°C and 4
atmospheric pressure. The volume of helium at –3°C temperature and 2
atmospheric pressure will be

2700m^{3}

**Q3. **One litre of helium gas at a pressure 76 cm
of Hg and temperature 27° is heated till its pressure and volume are
doubled. The final temperature attained by the gas is

927 °C

**Q4. **The pressure and temperature of an ideal gas
in a closed vessel are 720 kPa and 40°C respectively. If 1/4th of the
gas is released from the vessel and the temperature of the remaining
gas is raised to 353°C, the final pressure of the gas is

1080 kPa

**Q5. **A vessels is filled with an ideal gas at a
pressure of 10 atmospheres and temperature 27°C. Half of the mass of
the gas is removed from the vessel and temperature of the remaining
gas is increased to 87°C. The pressure of the gas in the vessel will
be

6 atm

**Q6. **S.I. unit of universal gas constant is

J mol^{-1} K^{-1}

**Q7. **The product of the pressure and volume of an
ideal gas is

Approx. equal to the universal gas constant

**Q8. **A sample of an ideal gas occupies a volume V
at a pressure P and absolute temperature T, the mass of each molecule
is m. The expression for the density of gas is

Pm/KT

**Q9. **The gas equation PV/T = constant is true for
a constant mass of an ideal gas undergoing

Any type of change

**Q10. **A box contains n molecules of a gas. How
will the pressure of the gas be effected, if the number of molecules
is made 2n

Pressure will be doubled