WAEC Chemistry 2021 Objective — Question 42
Question 42 of 50 from the West African Examinations Council (WAEC) Chemistry 2021 Objective paper, with the correct answer and a full explanation.
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42. The enthalpy change of the reaction is
- A. EA
- B. EB
- C. EC
- D. EDCorrect
Explanation
The enthalpy change is the difference between the energy content of products and reactants, shown as ED on the diagram.
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