A write normal eqtn be rewite ionic substances as ions c cancel ions appearing on both sides of eqtn Use solubility table to check if insoluble product can be formed by double displacement eg no 4 Pb2+(aq) + 2Br-(aq) --> PbBr2(s) or use reactivity series to predict single displacement eg no 1 Cu(s) + 2Ag+(aq) ---> Cu2+(aq) + 2Ag(s) or general chemistry basics like acid neutralisation no 5 H+(aq) + OH-(aq) --> H2O(l) a good basic solubility table to bookmark is http://www.ausetute.com.au/solrules.html.
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