Write short note on Khetri copper plant.
[3 marks]Describe SWOT analysis of Indian nonferrous metal industries.
[4 marks]With the help of line diagram, explain the Pidgeon process for extraction of magnesium mentioning the thermodynamic reasons.
[7 marks]Justify the purpose of roasting and smelting in the extraction of Copper.
[3 marks]Using phase diagram of Cu-Cu Ssystem, explain why it is not possible2 to use a bottom-blown converter to produce blister copper from matte.
[4 marks]Explain the WORCRA process for Copper production. Mention the factors affecting efficiency of WORCRA process.
[7 marks]What is anode slime? Explain the process of precious metal recovery from it.
[7 marks]Why carbon electrode and cryolite are used in Hall-Héroult process.
[3 marks]Discuss the Factors affecting current efficiency in Hall-Heroults process of Al extraction.
[4 marks]Discuss Bayer process for alumina production and give the flow sheet.
[7 marks]Why the carbothermic reduction process not used for extraction of aluminum on commercial scale?
[3 marks]Explain the three–layer process of Aluminum refining.
[4 marks]Explain the ALCOA process for Aluminum production. Why does the ALCOA process consume less energy than the Hall-Héroult process?
[7 marks]Differentiate between Single step and multistep continuous processes for copper extraction.
[3 marks]Explain the Electrolytic refining process of Blister copper.
[4 marks]Explain the process for lead extraction from its ore. Draw the flow sheet with important parameters involved in the process.
[7 marks]Give the ores of nickel with their chemical formula.
[3 marks]Explain the carbonyl process for refining of nickel.
[4 marks]Discuss the amalgamation and chlorination process for gold extraction.
[7 marks]In the pyrometallurgical extraction of Zinc why we not used the technique of smelting and converting, as applied in the case of copper?
[3 marks]Differentiate between horizontal and vertical retorts in pyrometallurgical extraction of Zinc.1
[4 marks]With the help of flow sheet explain the process of tin extraction from its concentrate. Why tin is produced by three stages process? Explain with thermodynamic reasons.
[7 marks]Discuss the parke’s process for silver recovery from lead.
[3 marks]Why the scrap iron is used in second and third stage of smelting in tin extraction process.
[4 marks]Explain the Imperial Smelting process for production of zinc with necessary sketches. List out the advantages.
[7 marks]