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Prompt Pack

Water Chemistry (Hardness & Purification)

Grade

13

Foundation Level (Fail → Pass)

  1. Define industrial chemistry.

  2. Name one large-scale industrial chemical process.

  3. What is a catalyst? Give one example.

  4. State one raw material used in the Haber Process.

  5. What is ammonia used for?

  6. Define the term “yield.”

  7. Name one product obtained from petroleum refining.

  8. What is polymerization?

  9. Give one example of a polymer.

  10. State one safety precaution in industrial plants.


Intermediate Level (Pass → Credit)

  1. Explain the conditions of the Haber Process and why they are chosen.

  2. Describe the Contact Process for manufacturing sulfuric acid.

  3. Explain fractional distillation of crude oil.

  4. Compare batch and continuous industrial processes.

  5. Describe the role of catalysts in industrial reactions.

  6. Explain how pressure influences industrial yields.

  7. Describe the polymerization of ethene.

  8. Explain cracking and its industrial importance.

  9. Compare thermoplastics and thermosetting plastics.

  10. Explain why process optimisation is important in industry.


Advanced Level (Credit → Distinction)

  1. Analyse the compromise conditions used in the Haber Process using kinetics and equilibrium.

  2. Evaluate the sustainability and environmental impact of the Contact Process.

  3. Compare catalytic mechanisms used in major industrial processes.

  4. Discuss how green chemistry improves industrial production.

  5. Propose improvements to increase efficiency in ammonia synthesis.

  6. Analyse economic factors affecting large-scale chemical production.

  7. Explain polymer property changes based on branching and cross-linking.

  8. Evaluate the environmental implications of plastic production and disposal.

  9. Discuss life-cycle analysis (LCA) of a chosen industrial product.

  10. Propose a modern process redesign based on safety, efficiency, and environmental protection.

වියාචනය (Disclaimer)

Idasara Academy ඉගෙනුම් සම්පත් නිර්මාණය කර ඇත්තේ සිසුන්ට මගපෙන්වීම, පුහුණුව සහ අධ්‍යයන උපායමාර්ග ලබාදී සහයෝගය දැක්වීමටය.

කෙසේ වෙතත්, සියලුම විභාග සහ නිල අවශ්‍යතා සඳහා, සිසුන් අනිවාර්යයෙන්ම ශ්‍රී ලංකා අධ්‍යාපන අමාත්‍යාංශයේ, අධ්‍යාපන ප්‍රකාශන දෙපාර්තමේන්තුව විසින් ප්‍රකාශයට පත් කරන ලද නිල පෙළපොත් සහ සම්පත් පරිශීලනය කළ යුතුය.

ජාතික විභාග සඳහා අන්තර්ගතයේ නිල බලය ලත් මූලාශ්‍රය වනුයේ රජය විසින් නිකුත් කරනු ලබන මෙම ප්‍රකාශනයි.

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