Question

Why latent heat is called hidden heat?
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Answer 1

Answer:

The energy supplied during the time when the temperature was constant is called latent heat. Latent heat is sometimes called the 'hidden' or 'stored' heat used to change the state of a substance without a change in temperature.

Answer 2

Explanation:

latent heat is called hidden heat because it comes out only when the substance changes it's state to overcome the forces of attraction