WAEC Physics 2014 Objective — Question 19
Question 19 of 50 from the West African Examinations Council (WAEC) Physics 2014 Objective paper, with the correct answer and a full explanation.
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The change of state from solid to liquid occurs at
- A. constant temperatureCorrect
- B. when temperature is lower than the boiling point
- C. when temperature is just near freezing point
- D. when temperature is equal to the boiling point
Explanation
The change of state from solid to liquid (melting) occurs at a constant temperature (the melting point) for a pure substance.
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