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

Question 6:

• JAMB 1979

A gas occupies 30.0 dm³ at S.T.P. What volume would it occupy at 91^oC and 380 mm Hg?

A. 20. 0dm³
B. 40.0dm³
C. 60. 0dm³
D. 80. 0dm³
E. 100. 0dm³

Question 7:

• JAMB 1980

Under high pressure, real gases do not obey gas laws because their molecules?

A. Have become more energetic
B. Have become less energetic
C. Have become smaller in size
D. Decompose into atoms
E. Start repelling each other

Question 8:

• JAMB 1980

Which of the following statements is an exception in the assumptions of the kinetic theory of gases?

A. Gases are composed of many elastic particles
B. The particles are of negligible size
C. The particles are in constant random motion
D. The particles are of negligible mass
E. The particles collide with each other

Question 9:

• JAMB 1980

When dilute hydrochloric acid is added to iron(ll)sulphide, the gas evolved will?

A. Turn moist red litmus paper blue
B. Turn lime water milky
C. Blacken lead acurate paper
D. Rekindle a glowing splint
E. Burn a sqeakly pop

Question 10:

• JAMB 1980

In the above experiment X is

A. Pure nitrogen
B. A mixture of nitrogen and oxygen
C. A mixture of nitrogen and carbondioxide
D. A mixture of oxygen and inert gases
E. A mixture of nitrogen and inert gases