Topics
Matter and Its Composition
Air : a Mixture of Gases
- Composition and Components of Air
- Components of Air: Nitrogen
- Occurrence of Nitrogen
- Properties of Nitrogen
- Importance of Nitrogen
- Components of Air: Oxygen
- Components of Air: Carbon Dioxide
- Importance of Carbon Dioxide
- Components of Air: Water Vapour
- Water Cycle
- Components of Air: Inert (Noble) Gases
- Components of Air: Dust and Smoke
- Air Quality
- Air Pollution and Its Causes
- Effects of Air Pollution
- Prevention of Air Pollution
- Prevention of Air Pollution
Physical and Chemical Changes
- Change
- Classification of Change: Slow and Fast Changes
- Classification of Change: Natural and Man-made Changes
- Classification of Change: Periodic and Non-periodic Changes
- Classification of Change: Desirable and Undesirable Changes
- Classification of Change: Reversible and Irreversible Changes
- Classification of Change: Physical Changes
- Change of State of Matter
- Concept of Melting (Fusion)
- Concept of Boiling (Vaporization)
- Concept of Freezing (Solidification)
- Concept of Condensation (Liquefaction)
- Concept of Evaporation
- Classification of Change: Chemical Changes
- Indicators of a Chemical Change (Chemical Reaction)
Oxygen
Elements, Compounds and Mixtures (Experimental Techniques)
- Matter (Substance)
- Types of Matter
- Pure Substances
- Impure Substance
- Elements
- Types of Elements: Metals
- Types of Elements: Non-metal
- Type of Elements: Metalloid
- Type of Elements: Noble Or Inert Gases
- Symbols Used to Represent Atoms of Different Elements
- Compound
- Mixture
- Types of Mixtures
- Differences Between Elements, Compounds, and Mixtures
- Formation of Mixtures
- Separation of Mixtures
- Methods of Separation
- Handpicking Method
- Winnowing Method
- Magnetic Separation Method
- Gravitation Method
- Sublimation Method
- Solvent Extraction (Using a Separating Funnel Method)
- Sedimentation Method
- Decantation Method
- Filtration Method
- Evaporation Method
- Crystallisation Method
- Simple Distillation Method
- Centrifugation Method
- Fractional Distillation Method
- Chromatography Method
- Separation of Constituents of the Mixtures with More than Two Constituent
Atomic Structure
- Atoms: Building Blocks of Matter
- Dalton’s atomic theory
- Molecules
- Classification of Molecules
- Classification of Molecules
- Molecular Formula of an Elements
- Classification of Molecules
- Ions (Radicals) and Its Types
- Difference Between Atom, Molecules, and Radicals
- Valency
- Variable Valency
- The Modern Periodic Table
- Molecular Formula of an Compounds
- Chemical Formula or Molecular Formula
- Naming Chemical Compounds
Language of Chemistry
Metals and Non-metals
Air and Atmosphere
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