Choose the correct difference between evaporation and vapourisation

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Evaporation is fast, while vaporisation is slow.

Evaporation can occur at any temperature, while vaporisation mostly occurs at a specific temperature.

Evaporation occurs on the entire mass of liquid, while vaporisation happens to only the surface molecules of a liquid.

All of the above

answer is B.

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Detailed Solution

It is correct that evaporation can occur at any temperature, while vaporisation mostly occurs at a specific temperature.
Evaporation is a slow process that affects only the surface molecules of a liquid, while vaporisation is usually a fast process which affects the entire mass of the given liquid. The above reason eliminates the fact that evaporation is fast while vaporisation is slow and evaporation occurs on the entire mass of liquid, while vaporisation happens to only the surface molecules of a liquid.

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