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: Different [[substance]]s have a different level of [[solubility]]. The more of a [[substance]] which can be '''dissolved''' in a fixed [[Volume (Space)|volume]] of [[liquid]], the greater its [[solubility]].
: Some [[solid]]s can be '''dissolved''' in [[ethanol]] or [[oil]] but not in [[water]]. [[Lipid|Fat]]s can be '''dissolved''' in [[ethanol]] but not in [[water]]. Vitamin D can be '''dissolved''' in [[oil]] but not in [[water]].
====Edexcel====
:[https://www.amazon.co.uk/gp/product/1782945725/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945725&linkCode=as2&tag=nrjc-21&linkId=694be7494de75af3349537d34e13f7f0 ''Dissolving, page 84, GCSE Chemistry; The Revision Guide, CGP, Edexcel '']