Obtaining and Using Metals 0.0 / 5 ? ChemistryMetals, metal ores and alloysGCSEEdexcel Created by: EMorrisonCreated on: 13-03-16 18:34 Where are most ores found In the crust of the Earth 1 of 10 How are most un-reactive metals found On their own 2 of 10 How can Iron be extracted By heating Iron oxide strongly with carbon 3 of 10 How can Aluminium be extracted? By electrolysis of Aluminium Oxide 4 of 10 What is oxidation? The gain of oxygen 5 of 10 What is reduction? The loss of oxygen 6 of 10 What is corrosion? The oxidation of metals 7 of 10 The extraction of a metal from its ore is ... reduction 8 of 10 Metals that are hard to oxidise are .... Found at the bottom of the reactivity series 9 of 10 Why is Iron made into an alloy To make it stronger and resistant to corrosion 10 of 10
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