POST UTME UNILAG 2025 Chemistry | Objective

Practice these randomly selected questions to test your readiness.

Question 1

The diagram below shows a titration setup. Identify the part labeled A.

A. A burette

B. A beaker

C. A pipette

D. A flask

Question 2

Determine the pH of a 0.1 M solution of HCl in water at 25°C.

A. 1

B. 2

C. 3

D. 4

Question 3

The diagram below shows a reaction setup. Identify the product formed.

A. H2O

B. CO2

C. CH4

D. NH3

Question 4

A 2.5 L flask contains 0.15 mol of N2 and 0.20 mol of O2 at 25°C. What is the partial pressure of N2?

A. 0.5 atm

B. 1.0 atm

C. 1.5 atm

D. 2.0 atm

Question 5

A 2.0 L flask contains 0.10 mol of CO2 at 25°C. What is the mole \fraction of CO2?

A. 0.05

B. 0.10

C. 0.15

D. 0.20

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