POST UTME FUTA 2024 Chemistry | Objective

Practice these randomly selected questions to test your readiness.

Question 1
A 1.0 M solution of NaOH is mixed with a 1.0 M solution of HCl. If 50 mL of each solution is used, what is the pH of the resulting solution?
A. 1.0
B. 2.0
C. 3.0
D. 4.0
Question 2
The reaction of magnesium with water produces a gas. What is the name of the gas produced?
A. Hydrogen
B. Nitrogen
C. Oxygen
D. Carbon dioxide
Question 3
A 0.500 M solution of HCl is titrated with 0.500 M NaOH. What is the pH of the solution after 25.0 mL of NaOH has been added?
A. 2.00
B. 2.00
C. 2.00
D. 2.00
Question 4
In a typical titration experiment, what is the primary function of the burette?
A. To measure the volume of the titrant
B. To measure the volume of the analyte
C. To mix the titrant and analyte
D. To filter the solution
Question 5
The s\tandard enthalpy of formation of CO2(g) is -393.5 kJ/mol. If 2.5 mol of CO2 is produced at 298 K, what is the total energy change (ΔH) for the reaction?
A. -987.5 kJ
B. -993.5 kJ
C. -998.5 kJ
D. -1003.5 kJ
Question 6
A diagram of a titration setup is shown below. What is the purpose of the clamp?
A. To hold the burette in place
B. To mix the titrant and analyte
C. To measure the volume of the titrant
D. To filter the solution
Question 7
The solubility of a sparingly soluble salt, AgCl, in water is 1.2 × 10^\( -5 \) mol/L at 25°C. Calculate the molar solubility of AgCl in a 0.1 M NaCl solution at the same temperature.
A. 1.2 × 10^\( -6 \) mol/L
B. 1.2 × 10^\( -5 \) mol/L
C. 1.2 × 10^\( -4 \) mol/L
D. 1.2 × 10^\( -3 \) mol/L
Question 8
A 0.5 M solution of AgNO3 is mixed with a 0.5 M solution of NaCl. If the reaction is allowed to go to completion, what is the concentration of AgCl that will precipitate out of the solution?
A. 0.5 M
B. 0.25 M
C. 1.0 M
D. 0.75 M
Question 9
A solution of 0.1 M NaOH is titrated with 0.1 M HCl. What is the concentration of the resulting solution after 25 mL of HCl has been added?
A. 0.05 M
B. 0.1 M
C. 0.15 M
D. 0.2 M
Question 10
A sample of CO2 gas is collected over water at a temperature of 25°C and a pressure of 1 atm. If the vapor pressure of water at 25°C is 0.0313 atm, what is the partial pressure of CO2 in the sample?
A. 0.9687 atm
B. 0.0313 atm
C. 0.9687 atm
D. 1.0 atm
Question 11
A metal rod of length 1 m is heated from 20°C to 100°C. Calculate the change in entropy of the rod.
A. 1.2 J/K
B. 2.2 J/K
C. 3.2 J/K
D. 4.2 J/K
Question 12
A sample of a gas has a volume of 2.50 L at a pressure of 1.00 atm. What is the volume of the gas at a pressure of 3.00 atm, assuming the temperature remains cons\tant?
A. 1.67 L
B. 1.67 L
C. 1.67 L
D. 1.67 L
Question 13
The diagram below shows the structure of a biomolecule. What type of biomolecule is it?
A. Protein
B. Carbohydrate
C. Lipid
D. Nucleic acid
Question 14
The s\tandard enthalpy of formation of CO(g) is -110.5 kJ/mol. If 2.5 mol of CO is produced at 298 K, what is the total energy change (ΔH) for the reaction?
A. -275.0 kJ
B. -280.0 kJ
C. -285.0 kJ
D. -290.0 kJ
Question 15
A 2.0 g sample of a metal is dissolved in 100 mL of 0.1 M HCl. If the metal is a member of the 3d transition series, what is the number of moles of the metal that reacted with the acid?
A. 0.10 mol
B. 0.15 mol
C. 0.20 mol
D. 0.25 mol

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: