topic 4 0.0 / 5 ? ChemistryExtracting metals /The reactivity seriesGCSEEdexcel Created by: bertie321Created on: 15-01-22 14:15 what happens if something gains oxygen it is oxidised 1 of 21 what does the reactivity series show how easily metals are oxidised 2 of 21 what is the most reactive metal potassium 3 of 21 what is the least reactive metal gold 4 of 21 how do you test reactivity if you put fire over the metal in a dilute hydrochloric acid the louder the pop the more reactive a metal is 5 of 21 what metal react with water potassium, sodium, lithium and calcium 6 of 21 what metal only react with steam magnesium, zinc and iron 7 of 21 what does oxidation mean loss of electrons 8 of 21 what does reduction mean gain of electrons 9 of 21 Ca + ZnSO4 -> CaSO4+ Zn 10 of 21 what happens when a more reactive metal reacts with a less reactive metal the reactive metal will replace the less reactive metal in the salt 11 of 21 CuSO4 + Fe -> FeSO4 +Cu 12 of 21 what do you use to exstact metals by reduction carbon 13 of 21 why do you have the use electrolysis because it is used for the metals that are more reactive than carbon 14 of 21 what is left at the anode in electrolysis the non-metal 15 of 21 what is left at the cathode in electrolysis the metal 16 of 21 why is electrolysis expensive because you need a large amount of electricity 17 of 21 what are the biological ways of extracting metals bioleaching and phytoextraction 18 of 21 why do you recycle to conserve resources, energy and it protects the environment 19 of 21 what are the economic benefits of recycling save money as extracting materials is expensive 20 of 21 what are the stages of the life cycle assessments choice of material, manufacture, product use and disposal 21 of 21
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