WAEC Chemistry 2018 Objective — Question 25
Question 25 of 50 from the West African Examinations Council (WAEC) Chemistry 2018 Objective paper, with the correct answer and a full explanation.
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The diagram below illustrates a conical flask containing water and ice. Which of the following statements about the diagram is correct?
- A. the water is at a lower temperature than the ice
- B. energy is absorbed when the ice changes to waterCorrect
- C. energy is released when the ice changes to water
- D. the water molecules vibrate about a fixed point
Explanation
Melting is an endothermic process — energy is absorbed from the surroundings as the ice changes to water.
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