Question

7.why does the temperature of a substance remain

constant during its melting or boiling point?​

Answer 1

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The extra heat supplied, is used in melting of ice, which is called latent heat of fusion. ... The extra heat supplied to the boiling water is used in the vaporisation of water, which is known as latent heat of vaporisation. That's why, the temperature of a substance remains constant during its melting or boiling point

Answer 2

Answer:

remain constant

Explanation:

when you boil liquid , liquid convert into steam and leaves thermal energy .due to release of this energy it donot affect as you íncrease the boiling temperature