JAMB Chemistry Quiz

Which chemistry paper type is given to you?

• Type D

• Type C

• Type A

• Type B

What is the concentration of a solution containing 2g of NaOH in 100cm3 of solution?

• 0.30 mol dm-3

• 0.05 mol dm-3

• 0.50 mol dm-3

• 0.40 mol dm-3

Which of the following properties is NOT peculiar to matter?

• Random motion of particles increases from gas to solid

• Orderliness of particles increases from gas to liquid

• Random motion of particles increases from liquid to gas

• Kinetic energy of particles increases from solid to gas

The principle of column chromatography is based on the ability of the constituents to

• Move at different speeds in the column

• Dissolve in each other in the column

• React with the solvent in the column

• React with each other in the column

From the diagram above, an ideal can be represented by

• L

• K

• N

• M

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

• The valence electrons of the elements increase progressively across the period

• The non-metallic properties of the elements tend to decrease across each period

• Elements in the same group have the same number of electron shells

• Elements in the same period have the number of valence electrons

The relative atomic mass of a naturally occurring lithium consisting of 90% Li and 10% Li is

• 6.8

• 6.9

• 7.1

• 6.2

An isotope has an atomic number of 15 and a mass number of 31. The number of protons it contain is

• 16

• 15

• 46

• 31

Which of the following is used as a gaseous fuel?

• CH3–C = CH

• CH3–CH2–CH2–CH3

• CH3–CH2–CH3

• CH3–CH2–CH2–COOH

The function of zinc electrode in a galvanic cell is that it

• undergoes reduction

• production electrons

• serves as the positive electrode

• uses up electrons