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→Key Stage 3
===Meaning===
[[Dissolving]] is when a [[solid]] breaks apart into individual [[Molecule|molecules]] or [[Atom|atoms]] when it is [[Mixture|mixed]] with a [[liquid]].
===About Dissolving===
: Not all [[solid]]s can [[dissolve]] in water. A [[solid]] which can be [[dissolved]] easily in [[water]] is described as [[soluble]] but one that cannot be easily [[dissolve]]d in [[water]] is described as [[insoluble]].