From this App you can learn :

Define metallurgy and explain the terms minerals and ores.
Discuss the processes, concentration and benefaction.
Give the details of the processes, calcination, roasting, refining, etc.
Describe various extraction and refining methods of metals from their chief ores.
Understand the process of corrosion and suggest suitable methods for prevention of corrosion.
Define alloy and list alloys of some metals and their uses.

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This topic covers under Chemistry subject as a part of the Metals and NonMetals topic
and this topic contains following sub topics
Metallurgy & Alloys
Extraction of metals
Corrosion of Metals
Alloys of Metals