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 factors would affect the equilibrium constant?
Concentration
Temperature
Pressure
Volume
Correct answer is B
Equilibrium constants aren't changed if you change the concentrations of things present in the equilibrium. The only thing that changes an equilibrium constant is a change of temperature.
200 cm3
100 cm3
40 cm3
20 cm3
Correct answer is B
No explanation has been provided for this answer.
Which of the following salts on hydrolysis would give an alkaline solution?
NH4CI(s)
AICI3(s)
CH3COONa(s)
NH4NO3(s)
Correct answer is C
No explanation has been provided for this answer.
The gases produced when Cu(NO3)2(s) was heated are
NO and NO2
O2 and NO
NO2 and N2O4
O2 and NO2
Correct answer is B
No explanation has been provided for this answer.
Which of the following substances with the corresponding pH value is an alkali?
Substance pH
Lime 2.4
Banana 4.6
Distilled water 7.0
Milk of magnesia 10.5
Correct answer is D
No explanation has been provided for this answer.