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what is the difference between crystallisation and evaporation watch

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    Basically they are the same thing, evaporation is more of an active process as you are supplying warmth (and is therefore quicker), crystalisation uses heat from the room/Sun.
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    (Original post by chloesky2018)
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    Both processes are physical process.

    crystallisation is the physical process of forming giant ionic structures from their constituent ions from either gaseous or aqeous solutions into solid state. This process releases energy and so the system loses energy.

    evaporation is the opposite, we are separating the particles(molecules, ions etc) from liquid state to a gas state. This process requires energy being supplied to the system.
 
 
 
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