When heat is constantly supplied by a burner to boiling water, then the temperature of the water during vaporization:

(a) rises very slowly

(b) rises rapidly until steam is produced

(c) first rises and then becomes constant

(d) does not rise at all

Correct Answer: (d) does not rise at all

Explanation: The temperature of the water during vaporization remains constant because the heat is used in overcoming particle-particle attraction forces, which in turn keeps the temperature constant.

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Updated on: 10-Oct-2022

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