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A block of ice at its melting point is left on a table in the...

Physics
WAEC 1989

A block of ice at its melting point is left on a table in the atmosphere and observed to melt gradually. Which of the following statements is true about the melting process?

  • A. the reaction force of the table on the ice breaks the ice into water molecules
  • B. heat extracted from the ice block makes the ice block cold
  • C. the ice block absorbs heat from the atmosphere and its temperature rises
  • D. the atmosphere absorbs heat from the ice block and its temperature falls
  • E. the ice block absorbs heat from the atmosphere and its temperature remains constant as it melts
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Correct Answer: Option E
Explanation

The heat of fusion is the quantity of heat necessary to change of a solid to a liquid with no temperature change

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