Quiz for States of Matter

Q1: Which of the following gas laws explains the relationship between pressure and volume at constant temperature?

A. Boyle’s Law B. Charles’s Law C. Avogadro’s Law D. Gay-Lussac’s Law

Q2: Which gas shows the greatest deviation from ideal behavior?

A. Hydrogen B. Oxygen C. Carbon dioxide D. Ammonia

Q3: At constant temperature, if the pressure of a gas is increased, its volume will?

A. Increase B. Decrease C. Remain same D. Cannot be determined

Q4: What is the value of the universal gas constant R in SI units?

A. 8.314 J/mol·K B. 0.0821 L·atm/mol·K C. 1.987 cal/mol·K D. 273 J/mol·K

Q5: The volume of one mole of an ideal gas at STP is:

A. 22.4 L B. 1 L C. 24.0 L D. 0.0821 L

Q6: The compressibility factor Z is equal to 1 for:

A. Real gases B. Ideal gases C. Liquids D. Solids

Q7: Which of the following correctly expresses Charles’s Law?

A. V ∝ T B. V ∝ 1/P C. P ∝ T D. P ∝ V

Q8: Which factor is responsible for deviation of gases from ideal behavior?

A. High temperature B. High pressure C. Low pressure D. Low temperature

Q9: Dalton’s Law relates to which property of gases?

A. Diffusion B. Partial pressure C. Kinetic energy D. Viscosity

Q10: Which equation is used for real gases?

A. Boyle’s Law B. Van der Waals equation C. Charles’s Law D. Ideal gas law

Q11: Which parameter remains constant in Boyle’s Law?

A. Pressure B. Volume C. Temperature D. Moles

Q12: Which of the following represents Graham’s Law?

A. r ∝ 1/√M B. r ∝ √M C. r ∝ M D. r ∝ T

Q13: Which among the following gases diffuses fastest?

A. O₂ B. CO₂ C. H₂ D. N₂

Q14: Which term accounts for attractive forces in Van der Waals equation?

A. a B. b C. R D. T

Q15: What does the Van der Waals constant "b" account for?

A. Pressure B. Attraction C. Volume of gas molecules D. Temperature

Q16: What is the relationship between average kinetic energy of gas molecules and temperature?

A. Directly proportional B. Inversely proportional C. No relation D. Constant

Q17: Which of the following is not a unit of pressure?

A. Pascal B. Bar C. Kelvin D. Torr

Q18: Which condition favors ideal gas behavior?

A. High temperature and low pressure B. Low temperature and high pressure C. Low temperature and low pressure D. High temperature and high pressure

Q19: Which law gives the total pressure of a gas mixture?

A. Dalton’s Law B. Avogadro’s Law C. Boyle’s Law D. Graham’s Law