Describe the two properties that iron Compare the densities of iron Compare the magnetic similarities and and aluminium both share. and aluminium properties of iron and aluminium differences between iron and aluminium List the major State the materials commonly used for the following car parts: Give three reasons why car materials used in a (a) car body (b) engine block (c) electrical wiring (d) windows manufacturers are continually car and explain (e) bumpers (f) seats and carpets looking at new materials. why they are used Describe the Compare the densities of Compare the resistance to Compare the cost of aluminium advantages and aluminium and Link this corrosion of aluminium and and steel. Link this to their disadvantages of to fuel economy. steel. Link this to their suitability suitability for making cars. building cars from for making cars. steel/aluminium Explain the State two reasons why cars Describe the European Union Directive about car recycling. advantages and should be recycled. disadvantages of recycling cars Describe factors State and explain 5 factors which affect the cost of making a chemical affecting the cost of making new substances Describe some of two uses of ammonia a word equation for Explain why nitrogen is needed the uses of other than making fertilisers. making ammonium nitrate. for plants. ammonia Describe how Write word and symbol Describe the conditions Why is the unused nitrogen and ammonia is made equations for making NH3. used in the Haber process. hydrogen recycled?
Describe the similarities and differences between iron and aluminium two properties that iron and aluminium both share. Compare the densities of iron and aluminium Compare the magnetic properties of iron and aluminium List the major materials used in a car and explain why they are used State the materials commonly used for the following car parts: (a) car body (b) engine block (c) electrical wiring (d) windows (e) bumpers (f) seats and carpets Give three reasons why car manufacturers are continually looking at new materials. Describe the advantages and disadvantages of building cars from steel/aluminium Compare the densities of aluminium and Link this to fuel economy. Compare the resistance to corrosion of aluminium and steel. Link this to their suitability for making cars. Compare the cost of aluminium and steel. Link this to their suitability for making cars. Explain the advantages and disadvantages of recycling cars State two reasons why cars should be recycled. Describe the European Union Directive about car recycling. Describe factors affecting the cost of making new substances State and explain 5 factors which affect the cost of making a chemical Describe some of the uses of ammonia two uses of ammonia other than making fertilisers. a word equation for making ammonium nitrate. Explain why nitrogen is needed for plants. Describe how ammonia is made Write word and symbol equations for making NH3. Describe the conditions used in the Haber process. Why is the unused nitrogen and hydrogen recycled?
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