Non Ferrous Extractive Metallurgy — Winter 2024

What are the important ores of copper? Mention places where copper deposits occur in India.

Write the advantages and disadvantages of Hydrometallurgy.

Discuss the important properties of copper. Explain the main steps in the production of copper from its sulphide ores by pyrometallurgical process.

What is smelting? Why smelting of roasted copper ore is done?

Enlist the important ores of lead and write the main applications of lead.

Write a note on predominance area diagrams.

What is anode effect in an aluminium refining? Give the reasons for anode effect & remedies for it.

What are the important ores of Zinc? List out the main applications of Zinc.

Explain the differences between general roasting and flash roasting.

What is leaching? What are the different types of leaching process? Explain them.

Discuss various properties and applications of aluminium.

What are the differences between ‘ore’ and Mineral?

Discuss Kroll’s process of Ti production.

Discuss the commercial ores, applications and properties of Titanium.

Define the concept of reaction rate. Write the factors affecting the rate of reaction.

Describe Pidgeon process of Magnesium Production.

What is rate law and half-life of a reaction??

Illustrate the flow sheet for Extraction of Nickel.

Describe Ellingham diagrams and its applications in extractive metallurgy.

What is blister copper? Name the elements present in it as impurities.

Discuss the Parke’s process for silver recovery from lead.

Describe the Bayer process for preparation of pure Al O . Explain various23 reactions involved in the process.

What are the sources of Magnesium?

Differentiate between Electrowinnng and Electro refining.

Discuss in detail the Hall-Heroult process for production of Aluminium.