JAMB 1980
Heat is supplied to a block of ice 0° until half of it has melted. Which of the following statements is true?
A. the temperature rises and the ice exoands
B. the temperature remains constant and the volume of ice decreases
C. the ice gives out heat as it melts
D. the mass remains constant and the temperature increases
E. the mass decreases because some heat is lost to the atmosphere
Correct Answer: Option B
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