Separating solids from liquids – evaporation
The process in which a liquid changes state and turns into a gas. is used to separate a soluble solid from a liquid. For example, copper sulfate is soluble in water – its crystals dissolve in water to form copper sulfate solution. During evaporation, the water evaporates away leaving solid copper sulfate crystals behind.
Image caption, A solution is placed in an evaporating basin and heated with a Bunsen burner.
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