POST UTME FUTO 2025 Chemistry | Objective

Practice these randomly selected questions to test your readiness.

Question 1
A 0.1 M solution of NaOH is mixed with a 0.1 M solution of HCl. What is the pH of the resulting solution?
A. 7
B. 8
C. 9
D. 10
Question 2
A solution contains 0.1 M NaOH and 0.1 M HCl. What is the pH of the resulting solution?
A. 7
B. 8
C. 9
D. 10
Question 3
A 2.0 M solution of hydrogen peroxide (H2O2) is decomposed by the addition of a catalyst. If 25 mL of the solution is decomposed, what is the concentration of the remaining solution?
A. 1.0 M
B. 1.5 M
C. 2.0 M
D. 2.5 M
Question 4
A solution contains 0.1 M HCl and 0.1 M NaOH. Calculate the pH of the solution.
A. 1
B. 2
C. 3
D. 4
Question 5
A gas is collected over water at a temperature of 25°C and a pressure of 1 atm. If the partial pressure of water vapor is 0.02 atm, what is the mole \fraction of the gas in the sample?
A. 0.98
B. 0.99
C. 0.995
D. 0.999
Question 6
A 25 mL sample of 0.5 M H2SO4 is titrated with 0.5 M NaOH. Calculate the volume of NaOH required to reach the equivalence point.
A. 10 mL
B. 20 mL
C. 25 mL
D. 30 mL
Question 7
A sample of nitrogen gas (N2) occupies a volume of 2.50 L at a pressure of 1.00 atm and a temperature of 25°C. What is the number of moles of nitrogen gas present?
A. 0.0100 mol
B. 0.0150 mol
C. 0.0200 mol
D. 0.0250 mol
Question 8
A 2.50 g sample of a compound containing only carbon and hydrogen is combusted in a bomb calorimeter. The heat of combustion is found to be - 2870 kJ. Calculate the empirical formula of the compound.
A. C2H4
B. C3H6
C. C4H8
D. C5H10
Question 9
A diagram of a periodic table is shown below. Identify the element with atomic number 20.
A. Ca
B. Mg
C. Al
D. Si
Question 10
Calculate the s\tandard enthalpy change (ΔH) for the reaction: 2NO(g) + O2(g) → 2NO2(g). Given that ΔH°(NO2) = 33.2 kJ/mol and ΔH°(NO) = 90.25 kJ/mol.
A. -34.0 kJ/mol
B. -33.2 kJ/mol
C. -90.25 kJ/mol
D. 34.0 kJ/mol
Question 11
A diagram of a titration setup is shown below. If 25.0 mL of 0.100 M NaOH is required to reach the equivalence point, calculate the number of moles of HCl present in the solution.
A. 0.00500 mol
B. 0.0100 mol
C. 0.0150 mol
D. 0.0200 mol
Question 12
A 2.5 M solution of sulfuric acid (H2SO4) is titrated with 1.0 M sodium hydroxide (NaOH). If 25 mL of NaOH is required to reach the equivalence point, what is the concentration of the H2SO4 solution?
A. 0.5 M
B. 1.0 M
C. 2.0 M
D. 2.5 M
Question 13
A 2.0 M solution of hydrogen peroxide (H2O2) is decomposed by the addition of a catalyst. If 25 mL of the solution is decomposed, what is the concentration of the remaining solution?
A. 1.0 M
B. 1.5 M
C. 2.0 M
D. 2.5 M
Question 14
A 2.50 g sample of a compound containing only carbon and hydrogen is combusted in a bomb calorimeter. The heat of combustion is found to be - 2870 kJ. Calculate the empirical formula of the compound.
A. C2H4
B. C3H6
C. C4H8
D. C5H10
Question 15
A 2.0 M solution of hydrochloric acid (HCl) is titrated with a 1.0 M solution of sodium hydroxide (NaOH). If 25 mL of NaOH is required to reach the equivalence point, what is the volume of HCl required to reach the equivalence point?
A. 12.5 mL
B. 25 mL
C. 50 mL
D. 100 mL

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows
Help others prepare! Share this practice hub: