C1 chapter 3 2.0 / 5 based on 1 rating ? ScienceChemistryGCSEAQA Created by: CaitlynCreated on: 24-05-13 18:37 What is an ore? a rock that contains enough metal to make it worth extracting 1 of 11 How do we find out what method to use to extract a metal? We look at it's reactivity 2 of 11 Where are metals found? In the earth's crust 3 of 11 A reduction reaction takes place as... carbon removes the oxygen from the oxide to produce the metal 4 of 11 How is iron made? Iron oxide is reduced in a blast furnace 5 of 11 What are alloys? mixtures of metals that are made to have specific uses 6 of 11 If a stainless steel contains larder quantities of other metals, what do they resist? Corrosion 7 of 11 Why is Aluminium expensive to extract? Requies a lot of energy for high temperatures and electricity 8 of 11 Why is Titanium useful for making aircraft engines? It is strong, resists corrosion and has a low density. 9 of 11 How can you extract copper? By smelting/bioleaching/phytomining 10 of 11 What is good about the transition metals? They are good conductors and can be bent into shape even though they are strong. 11 of 11
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