Question

1) Why is heat energy needed to melt a solid? What is its heat energy called?
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Answer 1

Answer:

The latent heat of fusion is required to change 1kg of a solid to liquid at atmospheric pressure. It is neede to change the state of a solid.

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Answer 2

Answer:

HEAT

Explanation:

heat is a form of energy in transit,that flows from hotter body to colder body