metals and their uses 0.0 / 5 ? ChemistryExtracting metals /The reactivity seriesGCSEAQA Created by: charlottewoodallCreated on: 19-01-16 16:54 where are metals usually found? the earth's crust 1 of 18 what is an ore? a naturally occurring metal which is valuble 2 of 18 how are unreactive metals found in the earth? as a metal 3 of 18 how do you turn iron oxide into iron? it is reduced by a blast furnace 4 of 18 why is iron from the blast furnace not very useful? it is too brittle 5 of 18 which alloy is iron mostly converted into? steel 6 of 18 what does steel contain? controlled elements of carbon and other elements 7 of 18 which two metals resist corrosion and low densities compared to other metals? aluminium and titanium 8 of 18 which two metals cannot be extracted from their oxides using carbon? aluminum and titanium 9 of 18 which two metals are very expensive because extracting them involves many stages and requires large amounts of energy? aluminium and titanium 10 of 18 how is most copper extracted from copper rich ores? smelting 11 of 18 how can copper be purified? eletrolysis 12 of 18 what are two new ways to extract copper from its low grade ores? bioleaching and phytomining 13 of 18 which metal can be obtained from solutions of their salts by displacement or electrolysis? copper 14 of 18 which metals are found in the centre block of the periodic table? transition metals 15 of 18 which group of metals have good properties that make them useful for building and making things? transition metals 16 of 18 what three issues are associated with exploded metal ores? social, economical and enviromental 17 of 18 what saves energy and limited resources? recycling 18 of 18
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