Jamb Chemistry 2016 Past Questions and Answers

Question 16:

• JAMB 2016

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

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

Question 17:

• JAMB 2016

The radioisotope used in industrial radiography for the rapid checking of faults in welds and casting is

A. Phosphorus-32
B. Cobalt-60
C. Carbon-14
D. Iodine-131

Question 18:

• JAMB 2016

The compound produced when sodium peroxide is heated with excess sodium is

A. Na₂CO₃
B. Na₂O
C. NaNO₂
D. NaOH

Question 19:

• JAMB 2016

The pollutant that contributes to the depletion of the ozone layer is

A. CFCs
B. NO₂
C. SO₂
D. CO

Question 20:

• JAMB 2016

Which of the following properties is not peculiar to matter?

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