Jamb Chemistry 2011 Past Questions and Answers

Question 1:

• JAMB 2011

What is the concentration of a solution containing 2g of NaOH in 100cm³ of solution?
[Na = 23, O = 16, H = 1]

A. 0.40 mol dm^-3
B. 0.50 mol dm^-3
C. 0.05 mol dm^-3
D. 0.30 mol dm^-3

Question 2:

• JAMB 2011

What is the concentration of a solution containing 2g of NaOH in 100cm³ of solution?
[Na = 23, O = 16, H = 1]

A. 0.40 mol dm^-3
B. 0.50 mol dm^-3
C. 0.05 mol dm^-3
D. 0.30 mol dm^-3

Question 3:

• JAMB 2011

Which of the following properties is NOT peculiar to matter?

A. Kinetic energy of particles increase from solid to gas
B. Random motion of particles increases from liquid to gas
C. Orderliness of particles increases from gas to liquid
D. Random motion of particles increases from gas to solid

Question 4:

• JAMB 2011

From the diagram above, an ideal can be represented by

A. M
B. N
C. K
D. L

Question 5:

• JAMB 2011

Which of the following questions is correct about the periodic table?

A. The non-metallic properties of the elements tend to decrease across each period
B. The valence electrons of the elements increase progressively across the period
C. Elements in the same group have the same numbeer of electron shells
D. Elements in the same period have the number of valence electrons