JKBOSE 12th class Chemistry Question Paper | Isolation of Elements - important Questions

These are the important Questions asked from General principles and processes of Isolation of Elements  Chapter in JKBOSE Class 12th Examination 

Note: Only very short answer (2 marks) type Questions are asked from this chapter

Q1. Explain zone refining?

Q2. Define Polling, Liquation, Leaching?

Q3. Give the various reactions which take place in the blast furnace during the extraction of Iron?

Q4. What are the principles ores of Aluminium?

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Q5. Explain the electromagnetic separation method for the concentration of Ores?

Q6. Explain Froth flotation process?

Q7. Ore Vs Mineral.

Q8. What is roasting? Give examples?

Q9. Define Calcination?

Q10. Explain Electrolytic methods for refining of copper?

Q11. Define Ore and give two Ores of Iron?

Q12. Explain Leaching of Bauxite.

Q13. Explain smelting with chemical equations in the extraction of copper from Pyritc ore.

Q14. Explain purification of Bauxite ore?

Q15. How is Blister  Copper obtained by Bessemerisation Process?