Chemistry 9th
Free
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CHAPTER 1: MATTER IN OUR SURROUNDINGS
- 1.1 Matter (Introduction)
- 1.2 Characteristics of particles of matter
- 1.3 Classification of particles of matter
- 1.4 Comparison of Solids, Liquids, Gases
- 1.5 Conditions required for inter-conversion of states of matter
- 1.6 Processes (terms)-Inter-conversion of states of matter
- 1.7 Latent heat
- 1.8 Evaporation
- 1.9 Factors affecting Evaporation
- 1.10 Evaporation causes cooling
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CHAPTER 2: IS MATTER AROUND US PURE
- 2.1 Classification of matter based on composition
- 2.2 Elements, Compounds and Mixtures
- 2.3 Types of Mixtures-Comparison
- 2.4 Solutions
- 2.5 Concentration of solution
- 2.6 Solubility
- 2.7 Types of solutions
- 2.8 Colloids
- 2.9 Types of colloids
- 2.10 Suspensions
- 2.11 Separation of mixtures
- 2.11.1 Filtration
- 2.11.2 Magnetic separation
- 2.11.3 Evaporation
- 2.11.4 Crystallisation
- 2.11.5 Chromatography
- 2.11.6 Centrifugation
- 2.11.7 Separation of Immiscible liquids using separating funnel
- 2.11.8 Separation of miscible liquids using simple distillation
- 2.11.9 Separation of miscible liquids using fractional distillation
- 2.11.10 Separation of gases in air
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CHAPTER 3: ATOMS AND MOLECULES
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CHAPTER 4: STRUCTURE OF ATOM
- 4.1 Discovery of electron (Cathode Ray Experiment)
- 4.2 Discovery of proton (Anode Ray Experiment)
- 4.3 Thomson’s model of Atom
- 4.4 Discovery of neutron
- 4.5 Rutherford’s model of Atom
- 4.6 Discovery of nucleus
- 4.7 Bohr’s Model of Atom
- 4.8 Electronic configuration
- 4.9 Atomic Number
- 4.10 Mass number
- 4.11 Isotopes
- 4.12 Isobars
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