NEET Physics: Behaviour of Perfect Gas and Kinetic Theory — MCQ Test 19

Q6. A gas mixture has 2 g of helium and 16 g of oxygen. What is the ratio of their partial pressures?

Q7. A gas mixture contains 10 g of neon and 40 g of argon. What is the ratio of their partial pressures? (Atomic mass: Ne = 20.2 u, Ar = 39.9 u)

Q8. A solid has a molar specific heat capacity of \(26.5 \, \text{J mol}^{-1} \text{K}^{-1}\). How many degrees of freedom per atom does it have? (\(R = 8.31 \, \text{J mol}^{-1} \text{K}^{-1}\))

Q9. A gas has a \(C_p\) of \(28.8 \, \text{J mol}^{-1} \text{K}^{-1}\). What is its \(C_v\)? (\(R = 8.31 \, \text{J mol}^{-1} \text{K}^{-1}\))

Q10. A gas at 2 atm and 300 K has a volume of 5 litres. If the temperature rises to 600 K at constant pressure, what is the new volume?

NEET Physics — Behaviour of Perfect Gas and Kinetic Theory

Free MCQ Test 19 of 19

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A gas occupies 16.8 litres at STP. How many moles are present? (Molar volume at STP = 22.4 litres)

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About this NEET MCQ Test

This page provides a free online MCQ test for NEET Physics preparation, focusing specifically on the chapter Behaviour of Perfect Gas and Kinetic Theory. It contains 10 carefully selected multiple-choice questions (MCQs) designed to test your conceptual understanding and exam readiness.

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10
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Key concepts covered in this specific test include Occupies, Molecular, Molecules, Temperature, Contains, and Hydrogen.

Taking these timed MCQ tests helps you simulate the real NEET exam environment. Detailed step-by-step explanations are provided for every question to help you learn from your mistakes and strengthen your fundamentals.

Preview of Questions in this Test

Q1. A gas occupies 16.8 litres at STP. How many moles are present? (Molar volume at STP = 22.4 litres)

  • A. 0.50 mol
  • B. 0.75 mol
  • C. 1.00 mol
  • D. 1.25 mol

Q2. A gas at 3 atm and 600 K has a density of \(1.44 \, \text{kg m}^{-3}\). What is its molecular mass? (\(R = 8.31 \, \text{J mol}^{-1} \text{K}^{-1}\), 1 atm = \(1.01 \times 10^5 \, \text{Pa}\))

  • A. 20 g/mol
  • B. 24 g/mol
  • C. 28 g/mol
  • D. 32 g/mol

Q3. The rms speed of oxygen molecules is 482 m/s at 300 K. What is the rms speed of helium molecules at the same temperature? (Molecular mass: \(O_2 = 32 \, \text{u}\), He = 4 u)

  • A. 964 m/s
  • B. 1200 m/s
  • C. 1363 m/s
  • D. 1500 m/s

Q4. What is the volume of 0.2 moles of an ideal gas at 1.5 atm and 227°C? (\(R = 8.31 \, \text{J mol}^{-1} \text{K}^{-1}\))

  • A. 4.50 litres
  • B. 5.49 litres
  • C. 6.00 litres
  • D. 7.50 litres

Q5. A gas mixture contains 6 g of hydrogen and 48 g of oxygen. What is the ratio of their partial pressures?

  • A. 1:2
  • B. 2:1
  • C. 1:1
  • D. 4:1

+ 5 more questions in the actual test

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