Question

differentiate between evaporation and boiing​

Answer 1

Answer:

Explanation:

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Answer 2

⏯ Differences between Evaporation and Boiling:

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✏ Evaporation is a process that takes place spontaneously at all temperature.

✏ Evaporation takes place only at the surface of the liquid. It is a surface phenomenon. When the molecules of liquid at the surface collides with surrounding air molecules, they gain energy and vaporise.

✏ Evaporation means liquid molecules at surface vaporises, so they take away the heat from the container along with them. Hence, it causes cooling.

✏ It is a fast process.

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$\large{ \circledcirc\:{ \boxed{ \bold{ \pink{Boiling}}}}}$

✏ Boiling takes place at a definite temperature that is the boiling point of the liquid. [When the Vapour pressure = atmospheric pressure]

✏ Boiling takes place in the entire liquid. Here the total heat supplied is distributed all around the liquid contained in the container. All the molecules of liquid are involved. They forms bubbles. It is a bulk phenomenon.

✏ Here, no cooling takes place. It is because they need extra supply of heat to boil the liquid unlike Evaporation.

✏ It is a slow process, and takes a lot of time.

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