POST UTME FUTO 2018 Chemistry | Objective

Practice these randomly selected questions to test your readiness.

Question 1
Determine the pH of a 0.1 M solution of HCl.
A. 1
B. 2
C. 3
D. 4
Question 2
A metal (X) reacts with dilute HCl to produce a gas (Y). The gas (Y) is collected over water and its density is found to be 1.7 g/L at 20°C. What is the identity of the gas (Y)?
A. CO2
B. H2
C. N2
D. O2
Question 3
A 3.00 L flask contains 0.750 mol of O2 gas at 25°C. Calculate the partial pressure of O2 in the flask.
A. 0.750 atm
B. 1.00 atm
C. 1.25 atm
D. 1.50 atm
Question 4
A 1.00 g sample of a non-electrolyte is dissolved in 100.0 mL of water. What is the boiling point elevation of the solution?
A. 0.500°C
B. 1.00°C
C. 1.50°C
D. 2.00°C
Question 5
A 2.00 g sample of a colloid is dispersed in 100.0 mL of water. What is the osmotic pressure of the colloid?
A. 0.500 atm
B. 1.00 atm
C. 1.50 atm
D. 2.00 atm
Question 6
A sample of a metal (X) is heated in a stream of oxygen to produce a green-colored solid (Y). The solid (Y) is found to be soluble in water. What is the identity of the solid (Y)?
A. CuO
B. Fe2O3
C. MnO2
D. Cr2O3
Question 7
A 2.0 M solution of H2SO4 is titrated with 0.5 M NaOH. If 30 mL of NaOH is required to reach the equivalence point, what is the number of moles of H2SO4?
A. 0.1 mol
B. 0.2 mol
C. 0.3 mol
D. 0.4 mol
Question 8
A 5.00 L flask contains 0.250 mol of N2 gas at 25°C. Calculate the partial pressure of N2 in the flask.
A. 0.500 atm
B. 0.250 atm
C. 0.750 atm
D. 1.00 atm
Question 9
A 25 mL sample of 0.5 M H2SO4 is titrated with 0.5 M NaOH. What is the pH of the solution after 10 mL of NaOH has been added?
A. 1
B. 2
C. 3
D. 4
Question 10
A 1.0 M solution of glu\cose (C6H12O6) is prepared by dissolving 18.016 g of glu\cose in 100 mL of water. What is the concentration of the solution in mol/L?
A. 0.1 M
B. 0.2 M
C. 0.3 M
D. 0.4 M
Question 11
A 50.0 mL sample of a solution contains 0.250 g of KNO3. What is the molarity of the solution?
A. 0.500 M
B. 0.250 M
C. 1.00 M
D. 0.100 M
Question 12
The atomic radius of an element in the periodic table increases down a group due to the addition of new energy levels. However, the atomic radius of an element in the periodic table decreases across a period due to the increase in effective nuclear charge. Which of the following elements has the largest atomic radius?
A. Rb
B. Cs
C. Fr
D. Ba
Question 13
A gas at 27°C and 1 atm is compressed to 2 atm. What is the new temperature in Kelvin?
A. 300 K
B. 320 K
C. 340 K
D. 360 K
Question 14
A reaction is represented by the equation: 2A + B → 2C + D. If 1.5 moles of A and 0.75 moles of B are present, what is the limiting reac\tant?
A. A
B. B
C. C
D. D
Question 15
A 2.00 L flask contains 0.500 mol of SO2 gas at 25°C. Calculate the mole \fraction of SO2 in the flask.
A. 0.250
B. 0.500
C. 0.750
D. 1.00

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