Multiple choice

Which process is used to change 1 kg substance from liquid to vapour state without change of temperature?

  1. Latent heat of vaporisation

  2. Convection

  3. Latent heat of fusion

  4. Thermal expansion

  5. Radiation

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A Correct answer
Explanation

The amount of heat required to change 1 kg substance from liquid to vapour state without change of temperature is called latent heat of vaporisation.