Chemistry 0.0 / 5 ? ChemistryC13.1 - C13.6GCSEAQA Created by: JessicahenryCreated on: 13-04-16 14:17 Where are metals usually found? In the earths crust 1 of 11 What method is used to extract a metal? It depends on the reactivity of the metal 2 of 11 What does an ore contain? Enough metal to make it worth extracting the metal 3 of 11 Where are unreactive metals found? In the earth as the metal 4 of 11 Why is iron oxide reduced in a blast furnace? To make iron 5 of 11 What do steels contain? Carefully controlled quantites of carbon and other elements 6 of 11 What is iron converted into? Usually, alloys called steels 7 of 11 What is wrong with iron from the blast furnace? It is too brittle for many uses 8 of 11 Why are aluminium and titanium expensive? Because extracting them involved many stages and requires large amounts of energy 9 of 11 Properties of titanium? Resistant to corrosion, very strong, low density compares to other strong metals 10 of 11 Properties of aluminium? Low density, high in the reactivity series, resistant to corrosion 11 of 11
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