Reactivity series 3.5 / 5 based on 4 ratings ? ChemistryChemical patterns and reactivity seriesIGCSEEdexcel Created by: Kate MacLachlanCreated on: 06-03-13 20:05 metal + acid > salt + hydrogen 1 of 5 what is a redox reaction? a reaction where both reduction and oxidation take place 2 of 5 iron rusts when... oxygen and water are present (sped up by addition of salt) 3 of 5 pick your favourite way of preventing rust (they all work btw just so you know what they are) galvanising (coating a metal in another more reative metal) 4 of 5 what are "sacrificial anodes"? they are lumps of metal placed on the iron parts of boats, and they are more reactive so they react instead of the iron 5 of 5
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