Molecular nature of matter - Jamb Physics Past Questions and Answers

Question 11:

• JAMB 2012

When temperature of a liquid increases, its surface tension

A. Decreases
B. Increases
C. Remain Constant
D. Increases then decreases

Question 12:

• JAMB 2019

When th temperature of a liquid is increased, its surface tension

A. Increases
B. Decreases
C. Remain constant
D. Increases then decreases

Question 13:

• JAMB 2019

In the molecular explanation of conduction, heat is transferred by the

A. Free electrons
B. Free atoms
C. Free molecules
D. Free solids

Question 14:

• JAMB 2021

When the temperature of a liquid increases, its surface tension

A. Decreases
B. Increases
C. Remains constant
D. Increases then decreases

Question 15:

• JAMB 2021

Which of the following is not correct about the molecules of a substance in a gaseous state. They?

A. Are in a constant state of motion
B. Have different speeds
C. Have a temperature which is measured by the average kinetic energy
D. The collision between the gases is perfectly inelastic