NDA & NA Exam • Physical & General Chemistry Portal
NDA Physical & General Chemistry Hub
Select a chapter module to explore high-yield chemical equation notes, thermodynamics summaries, practice drills, and previous years’ UPSC questions.
Chapter 01 • States of Matter
Classification of Matter, Elements, Compounds & Phase Changes
Chapter 02 • Atomic Structure
Bohr’s Model, Subatomic Particles, Quantum Numbers & Config
Chapter 03 • Chemical Bonding
Ionic, Covalent, Coordinate Bonds, VSEPR Theory & Hybridisation
Chapter 04 • Stoichiometry & Gases
Mole Concept, Concentration Terms, Gas Laws & Ideal Equation
Chapter 05 • Equilibrium
Le Chatelier’s Principle, Acids, Bases, Salts, pH & Buffers
Chapter 06 • Kinetics & Thermo