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WorksheetsJAMB Chemistry Quiz
Total questions: 15
Worksheet time: 8mins
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
The major factor that influences the rate of the reaction CH4(g) + Cl2(g) → CH3Cl(s) + HCl(g) is
concentration
temperature
catalyst
light
The condition required for corrosion to take place is the presence of
water and oxygen
oxygen and carbon (IV) oxide
water, carbon (IV) oxide and oxygen
water and carbon (IV) oxide
The effect of the presence of impurities such as carbon and sulphur on iron is that they
lower its melting point
increase its melting point
make it malleable and ductile
give it high tensile strength
The impurities formed during the laboratory preparation of chlorine gas are removed by
H2O
NH3
H2SO4
HCl
The bleaching action of chlorine gas is effective due to the presence of
water
hydrogen chloride
oxygen
air
