1. Which of the following characteristics best describes gas?

a. Gases are lighter than air. b. Gases have high densities.

c. Gases exhibit similar chemical behavior.

d. Gases do not have definite shape and volume.

2. How are gas particles described according to the Kinetic Molecular Theory? a. Gases have mass.

b. Gas particles move rapidly in straight lines, travel constantly, and in a

random direction.

c. Gas particles collide with each other and with the walls of the container in a perfectly elastic manner.

d. All of the above

3. Which of the following changes will result to a decrease in gas pressure?

a. Adding more gas particles b. Increasing the temperature

c. Liquefying the gas particles

d. Increasing the volume of the container

4. Which gas law describes the relationship between pressure and volume at

constant temperature?

a. Avogadro's Law

b. Boyle's Law

c. Charles' Law

d. Gay-Lussac's Law

5. Which of the following is not equal to 1.00 atm of pressure?

a. 60 cm Hg b. 760 mm Hg

c. 760 torr

d. 101,325 Pa

6. Which gas law is a combination of all gas laws?

a. Boyle's Law b. Charles Law

c. Gay-Lussac's Law

d. Ideal gas Law​