Structure of Matter and Kinetic Theory - Jamb Physics Past Questions and Answers

Question 51:

• 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 52:

• 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 53:

• JAMB 2019

According to kinetic molecular model, in gases

A. The particles are closely packed together, they occupy minimum space & are usually arranged in a regular pattern
B. The particles occur in clusters with molecules slightly farther apart
C. The molecule are very fast apart & occupy all the space made available
D. The particle vibrate about fixed positions and are held together by the strong intermolecular bonds between them

Question 54:

• JAMB 2019

In the molecular explanation, heat is transferred by the

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

Question 55:

• JAMB 2020

A few grains of table salt were put in a cup of cold water, kept at constant temperature and left undistributed. Eventually all the water tested salty. This action is due to?

A. Convection
B. Osmosis
C. Capillarity
D. Diffusion