POST UTME IGBINEDION UNIVERSITY 2017 Chemistry | Objective

Practice these randomly selected questions to test your readiness.

Question 1
A 2.0 M solution of NaOH is prepared by dissolving 40 g of NaOH in 250 mL of water. What is the pH of the solution?
A. 12
B. 13
C. 14
D. 15
Question 2
A 0.5 M solution of H2SO4 is prepared by dissolving 25 g of H2SO4 in 250 mL of water. What is the pH of the solution?
A. 1
B. 2
C. 3
D. 4
Question 3
A 25 cm3 sample of 0.1 M NaOH is titrated with 0.1 M HCl. Calculate the pH of the solution at the equivalence point.
A. 1
B. 2
C. 3
D. 4
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 at 25°C and 1 atm is compressed to 2 atm. What is the new volume of the gas?
A. 0.5 L
B. 1.0 L
C. 2.0 L
D. 4.0 L
Question 6
Determine the pH of a 0.1 M solution of HCl.
A. 1
B. 2
C. 3
D. 4
Question 7
A 25 cm3 sample of 0.1 M NaOH is titrated with 0.1 M HCl. Calculate the volume of HCl required to reach the equivalence point.
A. 10 cm3
B. 20 cm3
C. 25 cm3
D. 30 cm3
Question 8
A catalyst is added to a reaction mixture. What is the effect on the reaction rate?
A. Increases
B. Decreases
C. Remains the same
D. No effect
Question 9
A chemical reaction is represented by the equation:
A. Endothermic
B. Exothermic
C. Neutral
D. Reversible
Question 10
A solution contains 0.1 M HCl and 0.1 M NaOH. Calculate the concentration of the resulting solution.
A. 0.1 M
B. 0.2 M
C. 0.3 M
D. 0.4 M
Question 11
A solution of sodium chloride is prepared by dissolving 35.5 g of NaCl in 100 g of water. What is the molality of the solution?
A. 0.5 m
B. 1.0 m
C. 1.5 m
D. 2.0 m
Question 12
A 0.5 M solution of HCl is prepared by dissolving 25 g of HCl in 250 mL of water. What is the pH of the solution?
A. 1
B. 2
C. 3
D. 4
Question 13
The diagram below shows a titration setup. What is the purpose 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 measure the pH of the solution
Question 14
The diagram below shows a periodic table. Which element has the atomic number 6?
A. Carbon
B. Nitrogen
C. Oxygen
D. Fluorine
Question 15
A polymer is formed by the condensation reaction between a diol and a diacid. The reaction is represented by the equation:
A. Polymerization
B. Depolymerization
C. Condensation reaction
D. Hydrolysis

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