AllInfoHub – MCQ Practice

The States of Matter – Multiple Choice Questions (MCQs)

1. Which of the following has the strongest intermolecular forces?
- A. Gases
- B. Liquids
- C. Solids
- D. Plasma
2. The process of conversion of a solid directly into a gas is called:
- A. Condensation
- B. Evaporation
- C. Melting
- D. Sublimation
3. What is the S.I. unit of pressure?
- A. Pascal
- B. Atmosphere
- C. Bar
- D. Torr
4. According to Boyle's Law, at constant temperature, the volume of a fixed mass of gas is inversely proportional to its:
- A. Pressure
- B. Temperature
- C. Number of moles
- D. Density
5. Charles's Law states that at constant pressure, the volume of a fixed mass of gas is directly proportional to its:
- A. Absolute temperature
- B. Celsius temperature
- C. Fahrenheit temperature
- D. Pressure
6. Gay-Lussac's Law states that at constant volume, the pressure of a fixed mass of gas is directly proportional to its:
- A. Absolute temperature
- B. Celsius temperature
- C. Fahrenheit temperature
- D. Volume
7. Avogadro's Law states that equal volumes of all gases at the same temperature and pressure contain equal number of:
- A. Molecules
- B. Atoms
- C. Ions
- D. Protons
8. The ideal gas equation is:
- A. PV = nRT
- B. PV = RT/n
- C. P/V = nRT
- D. PT = nRV
9. What is the value of the ideal gas constant (R) in J K-1 mol-1?
- A. 8.314
- B. 0.0821
- C. 62.36
- D. 1.987
10. Kinetic energy of gas molecules is directly proportional to:
- A. Absolute temperature
- B. Pressure
- C. Volume
- D. Number of moles
11. Which of the following assumptions is NOT true for an ideal gas?
- A. Molecules have significant volume
- B. No intermolecular forces of attraction
- C. Collisions are perfectly elastic
- D. Molecules are in random motion
12. The deviation of real gases from ideal gas behavior is explained by:
- A. Van der Waals equation
- B. Boyle's Law
- C. Charles's Law
- D. Gay-Lussac's Law

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The States of Matter – Multiple Choice Questions (MCQs)

1. Which of the following has the strongest intermolecular forces?

2. The process of conversion of a solid directly into a gas is called:

3. What is the S.I. unit of pressure?

4. According to Boyle's Law, at constant temperature, the volume of a fixed mass of gas is inversely proportional to its:

5. Charles's Law states that at constant pressure, the volume of a fixed mass of gas is directly proportional to its:

6. Gay-Lussac's Law states that at constant volume, the pressure of a fixed mass of gas is directly proportional to its:

7. Avogadro's Law states that equal volumes of all gases at the same temperature and pressure contain equal number of:

8. The ideal gas equation is:

9. What is the value of the ideal gas constant (R) in J K-1 mol-1?

10. Kinetic energy of gas molecules is directly proportional to:

11. Which of the following assumptions is NOT true for an ideal gas?

12. The deviation of real gases from ideal gas behavior is explained by:

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