WAEC Chemistry 2025 Objective — Question 40
Question 40 of 50 from the West African Examinations Council (WAEC) Chemistry 2025 Objective paper, with the correct answer and a full explanation.
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Exothermic reactions take place when the energy given out in making bonds is
- A. less than the energy taken in for breaking bonds
- B. greater than the energy taken in for breaking bondsCorrect
- C. equal to the energy taken in for breaking bonds
- D. the same as the energy taken in
Explanation
In exothermic reactions, the energy released when new bonds are formed is greater than the energy required to break the initial bonds. The reverse is the case for endothermic reactions.
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