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Edexcel GCSE Chemistry Topic 4 - Extracting Metals And Equilibria




Below is everything the examiners think you know, if you're not sure of something click on the link to watch my YouTube video explanation. For a copy of these you can print off, get the FREE revision guide I wrote for you. 


 • I can describe the reaction between metal and oxygen

 • I can recall the order of the reactivity series

 • I can describe when a displacement reaction might take place

 • I can use experimental data to work out the order of reactivity

 • I can describe how unreactive metals are found in the Earth

 • I can describe reduction as the loss of oxygen

 • I can describe the movement of electrons in a displacement reaction

 • I can describe oxidation as the gain of oxygen

 • I can describe the process of bioleaching - Higher tier only

 • I can describe the process of phytomining - Higher tier only

 • I can define the term ore

 • I can use the reactivity series to determine the method of extraction needed for and ore

 • I can describe the process of extracting aluminium by electrolysis

 • I can explain the reasons for developing new method to extract metals from the Earth

 • I can assess the impact of raw materials, manufacturing, packaging, uses and disposal of an object

 • I can analyse Life Cycle Assessments

 • I can describe ways of reducing the amount of resources used

 • I can use symbols to represent a reversible reaction

 • I can describe what happens to ammonium chloride upon heating and cooling

 • I can define the term dynamic equilibrium

 • I can describe what happens to the energy in a reversible reaction, where one direction is exothermic and the other is endothermic - Higher tier only

 • I can describe what is happening to the rate of reactions when they have reached equilibrium  Higher tier only

 • I can determine the effects that a change in temperature will have on the system, according to Le Chatelier’s Principle - Higher tier only   • I can determine the effects that a change in concentration will have on the system, according to Le Chatelier’s Principle - Higher tier only  

 • I can determine the effects that a change in pressure will have on the system, according to Le Chatelier’s Principle - Higher tier only

 • I can recall what the Haber process is used for Video 1Video 2 

 • I can state the source of nitrogen and hydrogen

 • I can state the conditions needed for the Haber process

 • I can apply the principles of dynamic equilibrium to the Haber process

 • I can recall the condition for the Haber process