Jamb Chemistry 2003 Past Questions and Answers

Question 11:

• JAMB 2003

A gas exerts pressure on its container because

A. Some of its molecules are moving faster than others
B. Of the collision of the molecules with each other
C. Of the mass of the molecules of gas
D. The molecules of a gas colide with the walls of the container

Question 12:

• JAMB 2003

When cathode rays are deflected onto the electrode of an electrometer, the instrument becomes

A. Negatively charged
B. Positvely charged
C. Neutral
D. Bipolar

Question 13:

• JAMB 2003

The weakest attractive force that can be observed between two molecules is

A. Ionic
B. Covalent
C. Coordinate covalent
D. Van der Waals

Question 14:

• JAMB 2003

A consequence of global warming is

A. Air pollution
B. Water pollution
C. Increased humudity
D. Flooding

Question 15:

• JAMB 2003

Which of the following ions is acidic?

A. K⁺
B. KNO₃^-
C. S^2-
D. H₃O⁺