Learn more about the properties, composition, and structure of substances (elements and compounds) with these Chemistry questions and answers. This Test can be used by students preparing for Chemistry in JAMB, WAEC, NECO or Post UTME.
Which of the following statements about the cell notation Mg/Mg2+//Cu2+/Cu is correct?
copper is the anode
Manesium is reduced
Magnesium is the anode
The double line represents the electrodes
Correct answer is B
No explanation has been provided for this answer.
The rate of chemical reaction of solids are not affected by
catalyst
pressure
particle size
temperature
Correct answer is B
No explanation has been provided for this answer.
Addition of catalyst changes the equailibrium position
Decrease in pressure increase in temperature SO3
Decrease in pressure increases the equilibrium concentration of O2
Increase in temperatur favours the forward reaction
Correct answer is C
No explanation has been provided for this answer.
Which of the following factors would not affect the solubility of a gas?
Concentration
Nature of solvent
Pressure
Temperature
Correct answer is A
No explanation has been provided for this answer.
Which of the following chlorides is insoluble in water?
AgCI
KCI
NH4CI
ZnCI2
Correct answer is A
No explanation has been provided for this answer.