POST UTME FUTO 2019 Chemistry | Objective

Practice these randomly selected questions to test your readiness.

Question 1
A 2.50 g sample of sulfur (S8) is burned in oxygen to produce sulfur dioxide (SO2). The reaction is carried out at cons\tant pressure. What is the volume of SO2 produced at 25°C and 1 atm?
A. 1.00 L
B. 2.00 L
C. 3.00 L
D. 4.00 L
Question 2
A $1.00\text{ L}$ container is filled with $0.500\text{ mol}$ of $\text{N}_2$ at $25^\circ\text{C}$. What is the volume of the container if the pressure is increased to $2.00\text{ atm}$?
A. 0.250 L
B. 0.500 L
C. 1.00 L
D. 2.00 L
Question 3
What is the molar mass of H2O?
A. 18 g/mol
B. 18.02 g/mol
C. 18.01 g/mol
D. 18.03 g/mol
Question 4
A 1.5 g sample of a polymer is dissolved in 100 mL of a solvent. If the solution has a vis\cosity of 1.0 Pa·s, what is the molar mass of the polymer?
A. 1500 g/mol
B. 2000 g/mol
C. 2500 g/mol
D. 3000 g/mol
Question 5
A metal M has an atomic number of 24 and an atomic mass of 58.7 g/mol. If the metal is heated in air, it forms a green-colored oxide. What is the formula of the oxide?
A. M2O3
B. MO
C. M2O
D. M3O4
Question 6
A $2.00\text{ M}$ solution of $\text{H}_2\text{SO}_4$ is mixed with a $1.00\text{ M}$ solution of $\text{Ba(OH)}_2$. What is the resulting concentration of $\text{SO}_4^{2-}$ ions?
A. 0.500 M
B. 1.00 M
C. 1.50 M
D. 2.00 M
Question 7
What is the molar mass of C6H12O6?
A. 180 g/mol
B. 180.16 g/mol
C. 180.12 g/mol
D. 180.18 g/mol
Question 8
What is the molar mass of O2?
A. 32 g/mol
B. 32.04 g/mol
C. 32.03 g/mol
D. 32.02 g/mol
Question 9
A 0.1 M solution of a weak base, B, is titrated with 0.1 M HCl. If 20 mL of 0.1 M HCl is required to reach the equivalence point, calculate the number of moles of B initially present in 100 mL of the solution.
A. 0.0015 mol
B. 0.0020 mol
C. 0.0025 mol
D. 0.0030 mol
Question 10
A $1.00\text{ L}$ container is filled with $0.500\text{ mol}$ of $\text{N}_2$ at $25^\circ\text{C}$. What is the volume of the container if the pressure is increased to $2.00\text{ atm}$?
A. 0.250 L
B. 0.500 L
C. 1.00 L
D. 2.00 L
Question 11
A solution contains 0.1 M HCl and 0.1 M NaOH. What is the pH of the solution?
A. 1
B. 2
C. 3
D. 4
Question 12
A $1.00\text{ L}$ container is filled with $0.500\text{ mol}$ of $\text{CO}_2$ at $25^\circ\text{C}$. What is the partial pressure of $\text{CO}_2$ in the container?
A. 0.500 atm
B. 1.00 atm
C. 2.00 atm
D. 3.00 atm
Question 13
Determine the pH of a 0.1 M solution of HCl.
A. 1
B. 2
C. 3
D. 4
Question 14
A metal, M, reacts with chlorine gas to form a white solid. The reaction is as follows: M + Cl2 → MX2. If 2.5 g of M is reacted with 2.5 g of Cl2, what is the mass of the white solid formed?
A. 5.0 g
B. 5.5 g
C. 6.0 g
D. 6.5 g
Question 15
What is the molar mass of CO2?
A. 44 g/mol
B. 44.01 g/mol
C. 44.02 g/mol
D. 44.03 g/mol

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