POST-TEST: GASES THAT MATTER

According to Kinetic Molecular Theory, which of the following statements is NOT TRUE about gases?

• Gases consist of tiny molecules.

• Gas molecules are never attracted with other gas molecules.

• The average kinetic energy of gas molecules is directly related to its temperature.

• Gas molecules move randomly in different directions, continuously colliding with one another.

What causes the diffusion of perfume and maintaining pressure in tires?

• Fast movement of molecules

• Slow movement of molecules

• Constant movement of molecules

• Unexplained movement of molecules

Last summer vacation, the Tayamen family decided to go to Laoag City, Ilocos Norte to have a beach party. On their way, all of them were surprised when the tire suddenly exploded. What caused the tire to burst?

• The mass of the gases inside the tire increased.

• The amount of the gases inside the tire increased.

• The high temperature caused a decrease in the tire’s volume.

• The volume of gases inside the tire increased due to high temperature.

According to principal assumptions of the kinetic molecular theory, molecules of gases are so small that their mass and volume are considered to be what?

• Significant

• Insignificant

• Important

• Valuable

What model is used to explain the behavior of gases?

• Kelvin Mole Theory

• Kilo Mass Theory

• Kinetic Molecular Theory

• Kelvin Mercurian Theory