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Oakspine Press

Defence

Chemistry for NDA

About 15 per cent of the GK part of GAT. It covers physical and chemical changes, elements, compounds and mixtures, acids, bases and salts, oxidation and reduction, and everyday materials such as soap, glass and cement, all at school level.

3 guides·Conducted by Union Public Service CommissionOfficial website

Study in this order

  1. 1A chemistry plan for NDAChemistry is about 15% of NDA General Knowledge, and almost all of it is school science. What the official syllabus actually lists, how questions are framed, a six-week plan, worked MCQs and a practice set. 7 min read
  2. 2Matter, elements, compounds and mixtures for NDAStates of matter, elements versus compounds versus mixtures, solutions, colloids and suspensions, separation methods, the laws of chemical combination and the make-up of air and water, with worked MCQs and practice. 8 min read
  3. 3Atomic structure, valency and the periodic table for NDAThe discovery of subatomic particles, atomic models, atomic and mass numbers, isotopes and isobars, shells and valency, writing formulas, atomic, molecular and equivalent weights, and periodic trends, with worked MCQs. 8 min read

New Chemistry guides are added regularly. Back to all NDA guides