Q26 of 160 Page 36

Under what conditions heat can be given to a substance without raising its temperature?

When a change of state of a substance has to take place the heat given would not raise the temperature.


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24

What do you understand by the term ‘latent heat’? What are the two types of latent heat?

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Why is heat energy needed to melt a solid? What is this heat energy called?

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Why does the temperature remain constant during the melting of ice even though heat is supplied continuously?

 28

Why does the temperature remain constant during the boiling of water even though heat is supplied continuously?