C6.2.20 explain the effects on rates of reaction of changes in temperature, C6.2.2  use simple ideas about collisions to concentration and pressure in terms of explain how chemical reactions take frequency and energy of collision place between particles C6.2.21 use simple collision theory and ideas about collision frequency to explain C6.2.2  how rates of reaction depend on the explain the effects on of reaction of size of solid particles and on the changes in temperature, concentration concentration of solutions of dissolved and pressure in terms of frequency and chemicals energy of collision between particles C7.1.1 understand and use the ‘bulk’ NA (made on a large scale) and  ‘fine’ (made on a small scale) in the context of the chemical industry C7.1.2 recall examples of chemicals made on a scale (ammonia, sulfuric acid, NA  sodium hydroxide, phosphoric acid) and examples of chemicals made on a small scale (drugs, food additives, fragrances) C7.1.3 interpret information the work done NA  by people who make chemicals C7.1.4 understand that the development of new chemical products or processes NA  requires an extensive programme of research and development (for example, catalysts for new processes) C7.1.5 recall that governments have strict regulations to control chemical NA  processes as well as the storage and transport of chemicals to protect people and the environment
C6.2.20 use simple ideas about collisions to explain how chemical reactions take place C6.2.2 explain the effects on rates of reaction of changes in temperature, concentration and pressure in terms of frequency and energy of collision between particles  C6.2.21 use simple collision theory and ideas about collision frequency to explain how rates of reaction depend on the size of solid particles and on the concentration of solutions of dissolved chemicals C6.2.2 explain the effects on of reaction of changes in temperature, concentration and pressure in terms of frequency and energy of collision between particles  C7.1.1 understand and use the ‘bulk’ (made on a large scale) and ‘fine’ (made on a small scale) in the context of the chemical industry NA  C7.1.2 recall examples of chemicals made on a scale (ammonia, sulfuric acid, sodium hydroxide, phosphoric acid) and examples of chemicals made on a small scale (drugs, food additives, fragrances) NA  C7.1.3 interpret information the work done by people who make chemicals NA  C7.1.4 understand that the development of new chemical products or processes requires an extensive programme of research and development (for example, catalysts for new processes) NA  C7.1.5 recall that governments have strict regulations to control chemical processes as well as the storage and transport of chemicals to protect people and the environment NA 
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