Jamb Chemistry 2008 Past Questions and Answers

Question 6:

• JAMB 2008

300 cm³ of gas has a pressure of 800 mmHg. If the pressure is reduced to 650 mmHg, find its volume

A. 243.75 cm³
B. 369.23 cm³
C. 738.46 cm³
D. 1733.36 cm³

Question 7:

• JAMB 2008

Diffusion is slowest in solid particles than in particles of liquid and gases because

A. Solid particles have more kinetic energy than the particles of liquid and gases
B. Solid particles have less kinetic energy than the particles of liqiud and gases
C. Solid particles have less restriction in their movement than liquid and gas particles
D. The particles in solids are far apart and the cohesive forces between them are negligible

Question 8:

• JAMB 2008

The experiment that showed that atoms have tiny positively charged nucleus was first carried out by

A. Moseley
B. Rutherford
C. Millikan
D. Dalton

Question 9:

• JAMB 2008

The atom of an element X is represented as _z^yX. The basic chemical properties of X depends on the value of

A. Y
B. Z
C. Y - Z
D. Z - Y

Question 10:

• JAMB 2008

The diagram above represent the electron sub-level for

A. Carbon
B. Nitrogen
C. Oxygen
D. Flourine