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==Key Stage 4==
{{#ev:youtube|https://www.youtube.com/watch?v=qIOMlwBoe_4}}
===Meaning===
Produce a [[salt]] from a [[Neutralisation]] [[Chemical Reaction|reaction]] between an [[acid]] and an [[insoluble]] [[base]] then [[Separating Mixtures|separate]] the [[salt]] from the [[mixture]] to obtain a [[pure]] sample.