Level 1 — Basic Recall (1–10)

1. Name three general physical properties of metals.

2. Name two common non-metals.

3. What is the reactivity series?

4. Define metallurgy.

5. What is an ore?

6. Name one ore of iron.

7. What is the chief ore of aluminium?

8. What is gangue?

9. Define alloy.

10. Give one example of an alloy.

Level 2 — Understanding (11–20)

11. Explain why metals are good conductors of electricity.

12. Why are non-metals often poor conductors?

13. Describe how ores are concentrated by froth flotation.

14. Distinguish between roasting and calcination.

15. Why is coke used in the blast furnace?

16. Why can aluminium not be extracted using carbon reduction?

17. Explain why alloys are often stronger than pure metals.

18. Describe the role of limestone in the blast furnace.

19. Why are some metals found in native state?

20. Describe the electrolytic extraction of aluminium.

Level 3 — Application (21–30)

21. Arrange Mg, Fe, Cu in order of reactivity.

22. Predict whether zinc can displace copper from copper sulfate solution.

23. Identify the method used to concentrate sulphide ores.

24. Predict the products of roasting zinc sulphide.

25. Explain why flux is added during smelting.

26. Predict the effect of impurities on metal conductivity.

27. Explain why cryolite is added in aluminium extraction.

28. Identify suitable method to extract a moderately reactive metal.

29. Suggest a method to prevent rusting of iron.

30. Predict which metals can be reduced using carbon based on their reactivity.

Level 4 — Analysis (31–40)

31. Analyse the steps involved in the reduction of iron ore in the blast furnace.

32. Compare physical and chemical properties of metals and non-metals.

33. Examine why aluminium forms a protective oxide layer.

34. Discuss why highly reactive metals require electrolysis for extraction.

35. Evaluate the environmental impact of mining activities.

36. Compare corrosion resistance of different metals.

37. Analyse effects of alloying iron with carbon (steel formation).

38. Evaluate different metal refining methods: electrolytic, zone refining, distillation.

39. Compare energy requirements of carbon reduction vs electrolysis.

40. Analyse the thermodynamics of reduction using Ellingham diagrams (qualitative allowed).

Level 5 — Exam/Challenge (41–50)

41. Discuss the thermochemical principles of the blast furnace using reduction reactions.

42. Derive reaction sequences for converting bauxite → alumina → aluminium.

43. Evaluate different methods of protecting metals against corrosion.

44. Compare the metallurgy of iron, aluminium, and copper in terms of energy, cost, and environmental impact.

45. Explain why certain metals (e.g., titanium) require multi-step extraction processes.

46. Analyse slag formation chemistry and its importance in removing gangue.

47. Propose an optimal extraction route for a newly discovered metal based on its reactivity.

48. Evaluate industrial alternatives to reduce emissions in metallurgical processes.

49. Compare structural, electrical, and thermal properties of common alloys (brass, bronze, steel).

50. Discuss future sustainable metallurgy technologies (bioleaching, recycling, hydrogen reduction).