C4.6 Metals

1. Describe the chemical properties of sodium metal when left in the atmosphere

2. What results in the difference in density in metals?

3. What results in the difference in electrical conductivity in metals?

4. Mention the physical properties of metals

5. An ore from which a metal can be obtained on a commercial scale is referred to as

6. Mention the uses of Zinc

7. How do metals react with acids?

8. What is the name of purifying a metal by grounding into a fine powder then mixing it with water containing special oils such as pine oils?

9. Mention the uses of sodium

10. Describe the commercial extraction of Zinc metal

11. Name the chief ore of iron

12. Describe the commercial extraction of Copper metal

13. Mention the steps of concentrating an ore before undergoing the purification process

14. Mention the uses of Aluminum

15. Describe the commercial extraction of sodium metal

16. Describe the commercial extraction of Iron

17. What occurs before the extraction process of a chief ore?

18. Name the chief ore of Lead

19. Mention the uses of copper metal

20. Name the chief ore of Zinc

21. Name the chief ore of Aluminum

22. Mention the Uses of Iron

23. Describe the commercial extraction of Aluminum metal

24. Describe the commercial extraction of Copper

25. How do the most reactive metals such as Sodium get extracted?

26. How do the most reactive metals such as Sodium get extracted?

27. A given metal may have several ores in its example, Hematite (Fe2O3), Magnetite (Fe3O4), siderite (FeCO3) and iron pyrites (FeS2) are all iron ores. True of False

28. How do metals react with chlorine?

29. Mention the effects of metals on the environment

30. Name the chief ore of copper

31. Mention the common metal ores

32. Some metals occur naturally in a free uncombined state while others are found combined while others as elements. True or False

33. How do metals react with cold water and steam?

34. Name the chief ore of Sodium metal