Quiz for Gas laws

Q1: Which law states that pressure of a gas is inversely proportional to its volume at constant temperature?

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

Q2: Charles’s Law relates which two properties of a gas?

A. Pressure and volume B. Volume and temperature C. Pressure and temperature D. Volume and amount of gas

Q3: Gay-Lussac’s Law relates which properties?

A. Pressure and volume B. Volume and temperature C. Pressure and temperature D. Volume and amount of gas

Q4: Avogadro’s Law states that equal volumes of gases at same temperature and pressure have equal:

A. Mass B. Number of molecules C. Density D. Pressure

Q5: The ideal gas equation is:

A. PV = nRT B. P/T = nRV C. PV = nT D. P = VnRT

Q6: What is the value of the gas constant R in the ideal gas equation?

A. 0.0821 L·atm/mol·K B. 8.314 J/mol·K C. Both A and B D. None

Q7: At constant volume, pressure of a gas is directly proportional to its:

A. Temperature B. Volume C. Amount D. Molar mass

Q8: At constant pressure, volume of a gas is directly proportional to:

A. Temperature B. Pressure C. Amount D. Density

Q9: Which gas law is represented by P1V1/T1 = P2V2/T2?

A. Combined Gas Law B. Boyle’s Law C. Charles’s Law D. Avogadro’s Law

Q10: According to Avogadro’s hypothesis, 1 mole of any gas at STP occupies:

A. 22.4 L B. 24 L C. 20 L D. 18 L

Q11: Which of the following gases would behave most ideally?

A. Helium B. Oxygen C. Carbon dioxide D. Water vapor

Q12: Real gases deviate from ideal behavior under:

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

Q13: Which gas law explains why a hot air balloon rises?

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

Q14: What is the unit of pressure commonly used in gas laws?

A. Pascal (Pa) B. Atmosphere (atm) C. mmHg D. All of the above

Q15: At constant temperature and pressure, volume of gas is proportional to:

A. Number of molecules B. Mass C. Density D. Molar mass

Q16: Which of these quantities is NOT part of the ideal gas equation?

A. Pressure B. Temperature C. Molar mass D. Volume

Q17: Which gas law can be used to calculate the new pressure when volume and temperature change?

A. Boyle’s Law B. Charles’s Law C. Combined Gas Law D. Avogadro’s Law

Q18: If volume of a gas is halved at constant temperature, pressure:

A. Doubles B. Halves C. Remains same D. Quadruples

Q19: The volume of 2 moles of an ideal gas at STP is:

A. 44.8 L B. 22.4 L C. 11.2 L D. 56 L

Q20: Which law states that at constant volume, pressure and temperature of a gas are directly proportional?

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