Gaseous State -Multiple Choice Questions Quiz

Interactive MCQs on “Gaseous State”:

Solve the following 10 questions. Only one option is correct. Click on the “Submit” button when done. Click on the “embed” button to use this quiz on your website. Click on “WhatsApp” to share this quiz.

Question 1: What is the process by which a gas changes into a liquid?

(a) Sublimation
(b) Condensation
(c) Vaporization
(d) Evaporation

Question 2: Which gas law states that the volume of a gas is inversely proportional to its pressure, assuming constant temperature and amount of gas?

(a) Boyle's law
(b) Charles's law
(c) Gay-Lussac's law
(d) Avogadro's law

Question 3: According to Charles's law, if the temperature of a gas increases while the pressure remains constant, what happens to its volume?

(a) Increases
(b) Decreases
(c) Remains unchanged
(d) Depends on the gas

Question 4: Gay-Lussac's law states that the pressure of a gas is directly proportional to its:

(a) Volume
(b) Temperature
(c) Amount
(d) Density

Question 5: The ideal gas law, PV = nRT, relates the pressure (P), volume (V), amount of gas (n), and temperature (T) of an ideal gas. What is the constant denoted by 'R'?

(a) Gas constant
(b) Relative density
(c) Molar mass
(d) Relative humidity

Question 6: Which gas law combines Boyle's, Charles's, and Gay-Lussac's laws and states that the pressure times the volume divided by the temperature is a constant for a given amount of gas?

(a) Avogadro's law
(b) Dalton's law
(c) Ideal gas law
(d) Graham's law

Question 7: Which gas law states that the volume of a gas is directly proportional to the number of moles of gas, assuming constant pressure and temperature?

(a) Boyle's law
(b) Charles's law
(c) Gay-Lussac's law
(d) Avogadro's law

Question 8: Which gas law states that the partial pressure of a gas in a mixture is proportional to its mole fraction in the mixture?

(a) Dalton's law
(b) Henry's law
(c) Graham's law
(d) Ideal gas law

Question 9: What is the total pressure of a gas mixture if the partial pressures of its components are 2 atm, 3 atm, and 4 atm?

(a) 6 atm
(b) 9 atm
(c) 12 atm
(d) 14 atm

Question 10: What is the phenomenon of a gas escaping through a small hole into a vacuum?

(a) Diffusion
(b) Effusion
(c) Dispersion
(d) Osmosis