1. Chapter 21 Chemistry of the Metals Mr. WatsonHST

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3. HST Mr. Watson Metallurgy the extraction of metals from ores the preparation of metals for use the study of the relationship between structures and properties of metals

4. HST Mr. Watson Metallurgy Pretreatment of Ore Concentration Roasting

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6. HST Mr. Watson Pretreatment of Ore crude ore is crushed

7. HST Mr. Watson Concentration floatation

8. HST Mr. Watson Roasting converting sulfide ore to oxide 2ZnS (s) + 3O 2(g) -----> 2ZnO (s) + 2SO 2(g) 2CuS (s) + 3O 2(g) -----> 2CuO (s) + 2SO 2(g) 3FeS 2(s) + 8O 2(g) -----> Fe 3 O 4(s) + 6SO 2(g)

9. HST Mr. Watson Manufacture of Iron and Steel Chemistry of blast furnace Chemistry of basic oxygen furnace

10. HST Mr. Watson Chemistry of blast furnace iron reduction raw materials

11. HST Mr. Watson Several Blast Furnaces

12. HST Mr. Watson Liquid Iron Pour

13. HST Mr. Watson Fe (l) & Slag (l) Pours

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15. HST Mr. Watson Chemistry of blast furnace raw materials: iron ore limestone or lime coke

16. HST Mr. Watson Chemistry of blast furnace iron ore => source of iron Fe 2 O 3, Fe 3 O 4, FeO, SiO 2

17. HST Mr. Watson Chemistry of blast furnace limestone or lime => flux to remove impurities CaCO 3 or CaO

18. HST Mr. Watson Chemistry of blast furnace coke => reducing agent C

19. HST Mr. Watson Chemistry of blast furnace C (s) + O 2(g) -----> CO 2(g) coke air

20. HST Mr. Watson Chemistry of blast furnace CO 2 + C ---> 2 CO coke

21. HST Mr. Watson Chemistry of blast furnace 3 Fe 2 O 3(s) + CO (g) -----> 2Fe 3 O 4(s) + CO 2(g) iron ore

22. HST Mr. Watson Chemistry of blast furnace Fe 3 O 4(s) + CO (g) -----> 3FeO (s) + CO 2(g) iron ore

23. HST Mr. Watson Chemistry of blast furnace FeO (s) + CO (g) -----> Fe (l) + CO 2(g) iron ore pig iron

24. HST Mr. Watson Chemistry of blast furnace CaCO 3(s) + heat -----> CaO (s) + CO 2(g) limestone lime

25. HST Mr. Watson Chemistry of blast furnace CaO (s) + SiO 2(s) -----> CaSiO 3(l) limesandslag

26. HST Mr. Watson Purification of Metals Distillation Electrolysis Chemical Reactions

27. HST Mr. Watson Distillation mercury

28. HST Mr. Watson Electrolysis Copper Aluminum Sodium

29. HST Mr. Watson Production of Copper Cu 2 S (l) + O 2(g) -----> 2 Cu (l) + SO 2(g) Cu (s) ----->Cu (s) impure electrolysispure

30. HST Mr. Watson Electrolysis of molten salt 2 NaCl (l)  2 Na (l) + Cl 2(g)

31. HST Mr. Watson Chemistry of Basic Oxygen Furnace iron purification steel making raw materials

32. HST Mr. Watson Chemistry of Basic Oxygen Furnace raw materials pig iron from blast furnace fluxing agent to remove impuritites alloying agents

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34. HST Mr. Watson Chemistry of Basic Oxygen Furnace Removal of excess of carbon C (s) + O 2(g) -----> CO 2(g) impurity air in pig iron

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36. HST Mr. Watson Chemistry of Electric Furnace raw materials scrap iron fluxing agent to remove impuritites alloying agents