Kinetic theory of matter and Gas Laws - Jamb Chemistry Past Questions and Answers

Question 26:

• JAMB 1988

Which of the following statements is NOT correct?

A. The average kinetic energy of a gas is directly proportional to its temperature
B. At constant tempearture, the volume of a gas increases as the pressure increases
C. The pressure of a gas is inversely proportional to its volume
D. The temperature of a gas is directly proportional to its volume
E. The collisions of molecules with each other are inelastic

Question 27:

• JAMB 1989

Which of the curves in the above graph illustrates the behaviour of an ideal gas?

A. W
B. X
C. Y
D. Z

Question 28:

• JAMB 1990

Equal volumes of CO,SO₂, and H₂S were released into a room at the same point and time. Which of the following gives the order of diffusion of the gases to the opposite corner of the room?
(S = 32, C = 12, O = 16, N = 14, H = 1)

A. CO, SO₂,NO₂,H₂S
B. SO₂,NO₂,H₂S,CO
C. CO,H₂S,SO₂,NO₂
D. CO,H₂S,NO₂,SO₂

Question 29:

• JAMB 1990

A basic postulate of the kinetic theory of gases is that the molecules of a gas move in straight lines between collisions. This implies that?

A. Collisions are perfectly elastic
B. Forces of repulsion exist
C. Forces of repulsion are in equilibrium
D. Collision are inelastic

Question 30:

• JAMB 1990

If 10.8 g of silver is deposited in a silver coulometer volume of oxygen liberated is?

A. 0.56 dm³
B. 5.60 dm³
C. 11.20 dm³
D. 22.40 dm³