NDA & NA Exam • Metals, Non-Metals & Minerals Portal
NDA Metals, Non-Metals & Minerals Hub
Select a chapter module to explore high-yield metallurgical notes, alloy composition tables, practice drills, and previous years’ UPSC questions.
Chapter 01 • Metallurgy
Minerals, Ores, Concentration, Calcination, Roasting & Refining
Chapter 02 • Metal Properties
Reactivity Series, Action of Acids/Water & Amphoteric Oxides
Chapter 03 • Non-Metals
Allotropes of Carbon, Hydrogen, Ammonia, Nitric Acid & Halogens
Chapter 04 • Alloys
Composition & Uses of Brass, Bronze, Duralumin & Stainless Steel
Chapter 05 • Commercial Compounds
Bauxite, Haematite, Washing Soda, Plaster of Paris & Bleaching Powder
Chapter 06 • Corrosion