Industrial Processes 2.5 / 5 based on 3 ratings ? ChemistryHaber and industrial processesIGCSEEdexcel Created by: SarahCreated on: 27-03-13 16:00 name 3 raw materials used in the blast furnace coke, limestone, haematite 1 of 30 what is the main exothermic reaction in the blast furnace carbon + oxygen ---- carbon dioxide 2 of 30 what is CO carbon monoxide AND main reducing agent 3 of 30 what sort of reaction is: carbon monoxide + iron oxide ---- iron + carbon dioxide redox displacement reaction 4 of 30 in which reaction is pure iron formed? carbon monoxide + iron oxide ---- iron + carbon dioxide 5 of 30 which reaction removes impurities ? calcium oxide + silicon dioxide ---- calcium silicate 6 of 30 what happens in the reaction: calcium carbonate ---- calcium oxide + carbon dioxide calcium carbonate thermally decomposes to basic calcium oxide 7 of 30 a cathode is ... the negative electrode 8 of 30 an anode is ... the positive electrode 9 of 30 in an electrolysis cell the electrodes are made from graphite 10 of 30 in an electrolysis cell the case is made from steel 11 of 30 at the cathode aluminium ions: gain 3 electrons to form an aluminium atom 12 of 30 at the anode oxide ions: lose 2 electrons to form an oxygen atom 13 of 30 what is the name of the solvent used cryolite 14 of 30 what is the name of the process used to make ammonia haber 15 of 30 what is the equation for the production of ammonia nitrogen + hydrogen ---- ammonia 16 of 30 how is hydrogen produced? reaction of steam with natural gas 17 of 30 what temperature is needed ? 450°C 18 of 30 what pressure is needed? 200 atmospheres 19 of 30 what is the name of the catalyst used? iron 20 of 30 what would happen if the temperature was decreased ? higher % yield, slow rate of reaction 21 of 30 what would happen if the pressure was increased? higher % yield 22 of 30 why is the reaction in the hater process called an 'equilibrium' ? the rate of the forward reaction is equal to the rate of the backwards 23 of 30 what is a major use of ammonia? to make fertilisers 24 of 30 identify a cost of the process heating to 450°C 25 of 30 in the havber process, which direction is exothermic forwards 26 of 30 what is dynamic equilibrium? rate of forward reaction is equal to the rate of backwards in a closed system 27 of 30 what are the raw materials used in the contact process? sulfur, air 28 of 30 what conditions are used in the contact process? 440°C, 2 atmospheres, vanadium (V) oxide catalyst 29 of 30 what are 3 uses of sulphuric acid neutralisation reactions, to make drugs / explosives, dehydrating agent 30 of 30
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