Diagram showing the differences between a compound, a precipitate, a supernate, and a suspension.
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<a href="//commons.wikimedia.org/wiki/File:Chemical_precipitation_diagram.png" title="File:Chemical precipitation diagram.png">File:Chemical precipitation diagram.png</a>.  Vectorized by <a href="//commons.wikimedia.org/wiki/User:ZooFari" class="mw-redirect" title="User:ZooFari">ZooFari</a>; <a href="//commons.wikimedia.org/wiki/File:Chemical_precipitation_diagram.png" title="File:Chemical precipitation diagram.png">raster</a> by <a href="//commons.wikimedia.org/wiki/User_talk:ZabMilenko" title="User talk:ZabMilenko">ZabMilenko</a>