Jamb Chemistry 2001 Past Questions and Answers

Question 11:

• JAMB 2001

Which of the following statements is correct about the average kinetic energy of the molecules of a gas?

A. It increase with increase in pressure
B. It increase at constant temperature
C. It increase with increase in temperature
D. It increase with increase in volume

Question 12:

• JAMB 2001

The pollution from petroleum spillage in rivers and lakes can best be dispersed by

A. Pouring detergents
B. Passing of ships through the area
C. Pouring organic solvents
D. Evaporation

Question 13:

• JAMB 2001

Deliquescent substance are used for

A. Cooling
B. Wetting
C. Melting
D. Drying

Question 14:

• JAMB 2001

Pure solvents are obtained by

A. Distillation
B. Condensation
C. Extraction
D. Evaporation

Question 15:

• JAMB 2001

What is the decrease in volume of air when pyrogallol is shaken with 30.00cm³ of air ?

A. 15.00cm³
B. 6.30cm³
C. 0.63cm³
D. 0.06cm³