Chemistry - Dissolving and precipitation
Dissolving and precipitation
We can sometimes remove a soluble solid from an insoluble  solid by
dissolving  the soluble solid with a solvent. For example, it is
sometimes possible to use a strong solvent  to remove paint from a metal
surface without damaging the metal.
Precipitation  is the opposite of dissolving. Precipitation is when a
dissolved substance (solute) is caused to become insoluble. This can be
done by adding a solvent in which the dissolved substance is insoluble in.
Click to see a video on how protein is dissolved and precipitated from a
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