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Which statement about the energy of a phase change is true?

A. Melting is an endothermic change, because ice releases energy to its surroundings as it melts.

B. Melting is an endothermic change, because ice absorbs energy from its surroundings as it melts.

C. Melting is an exothermic change, because ice absorbs energy from its surroundings as it melts.

D. Melting is an exothermic change, because ice releases energy to its surroundings as it melts.

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  1. 16 May, 07:42
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    The answer is letter B. Melting is an endothermic change, because ice absorbs energy from its surroundings as it melts. The melting process absorbs heat energy that causes the ice to melt. Endothermic change is when it absorbs energy from its surrounding. The other choices are incorrect because exothermic change releases energy to its surrounding.
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