Matter, mixtures and chemical quantities
Whole chapter · 7–11 focused hours
Matter, mixtures and chemical quantities
First systematic UPSC revision with school-level arithmetic and basic science vocabulary; no specialist science degree assumed.
Includes
- Assigned sections and concise recall notes
- Available mapped practice and analysis of mistakes
- One initial closed-book review
Separate time needed
- Specialist derivations and laboratory training
- Subsequent revision and full mock tests
- Continuing technology and mission updates
- Duplicated ecology, agriculture, health-administration or energy-policy study
Editorial planning estimate; not learner timing data
- Physical measurement
- States and changes of matter
- Substances and mixtures
- Atoms and chemical quantities
Whole chapter reading
- NIOS Science and Technology: Measurement in Science and Technology ↗
Sections on SI quantities, unit conversion and measurement instruments; exclude obsolete definitions of SI base units
- NIOS Science and Technology: Matter in our Surroundings ↗
Sections 2.1–2.4
- NIOS Science and Technology: Matter in our Surroundings ↗
Sections 2.5–2.9
- NIOS Science and Technology: Atoms and Molecules ↗
Sections 3.1–3.5