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WAEC Chemistry 2020 Objective — Question 25

Question 25 of 50 from the West African Examinations Council (WAEC) Chemistry 2020 Objective paper, with the correct answer and a full explanation.

Which of the following substances is not a reducing agent?

A. C
B. CO
C. O2Correct
D. H2

Explanation

Oxygen is an oxidizing agent, not a reducing agent.

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