Chemistry- C1: Metals and their uses 0.0 / 5 ? ChemistryExtracting metals /The reactivity seriesGCSEAQA Created by: luciieeebxCreated on: 01-02-15 11:40 What is an Ore? A rock that contains enough of a metal to make it worth extracting. 1 of 28 If a metal is more reactive than another how can it be extracted? A displacement reaction. 2 of 28 If a metal is less reactive than carbon how is it extracted? A reduction reaction, carbon removes oxygen from the oxide. 3 of 28 What is Iron reduced in? A blast furnace. 4 of 28 What does the impurities cause Iron to be? Hard and brittle. 5 of 28 What is iron most used to make? Steel. 6 of 28 What do Aluminium and Titanium resist? Corrosion. 7 of 28 They both have low what? Densities. 8 of 28 Why can Aluminium not be reduced? It is more reactive than carbon. 9 of 28 How is it extracted? Electrolysis. 10 of 28 Give the disadvantage of electrolysis Expensive. 11 of 28 What happens when Titanium is reduced? Becomes brittle. 12 of 28 Why is the extraction of Titanium expensive? Many stages and needs lots of energy. 13 of 28 How can copper be extracted from copper rich ores? Smelting. 14 of 28 What is smelting? An ore is heated strongly in a furnace. 15 of 28 What happens after smelting and why? Electrolysis because the copper is impure. 16 of 28 What is phytomining? Using plants to absorb copper compounds from the ground. 17 of 28 What happens next? Plants are burned and copper is extracted from the ash. 18 of 28 What is bioleaching? Using bacteria to produce solutions containing copper compounds. 19 of 28 Give 2 ways in which copper can be extracted from compounds? Displacement and Electrolysis. 20 of 28 Name 2 properties of transition metals: Good conductors of heat and electricity. 21 of 28 What are they useful materials for? Buildings, vehicles, container, pipes and wires. 22 of 28 Why is copper used in pipes and wires? Good conductor of heat and electricity, doesn't react with water and is strong 23 of 28 Give a use of gold: Jewellery. 24 of 28 Give 2 uses of Aluminium: Buildings and aircrafts. 25 of 28 Name the 2 copper alloys: Bronze and Brass. 26 of 28 Give benefits of using metals in construction: Strong, can be bent into shape, flexible, good conductors. 27 of 28 Give drawbacks of using metals in construction: obtaining cause pollution, uses resources. expensive can rust. 28 of 28
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