Learn Chemistry Online – List of Major Topics and Concepts in Chemistry

Synthetic Fibres and Plastics

• Types of Synthetic Fibres
• Plastics: Uses of Plastics
• Biodegradable and Non-Biodegradable Materials

Materials : Metals and Non-Metals

• Metals and Non-Metals – Differentiation
• Physical Properties of Metals and Non-Metals
• Chemical Properties of Metals and Non-Metals
• Uses of Metals and Non-Metals

Coal and Petroleum

• Fossil Fuels and Coals
• Petroleum and Natural Gas
• Petrochemicals – An Overview

Combustion and Flame

• Combustion Definition & Meaning
• Conditions Necessary For Combustion
• History of Matchstick and Combustion Types
• Characteristics of Fuels
• Structure of Candle Flame

Chemical Effects of Electric Current

• Do Liquids Conduct Electricity
• Weak Conductors of Electricity
• Chemical Effects of Electric Current
• Electroplating Process
• Methods of Purification of Metals

Pollution of Air and Water

• Air Pollution & Its Control
• Greenhouse Effect and Global Warming
• Sources of Water Pollution

Acids, Bases and Salts

• Indicators for Testing Acids and Bases
• Introduction to Acids
• Properties of Bases
• Neutralisation Reaction

Physical and Chemical Changes

• Physical Changes of Matter
• Importance of Chemical Changes
• Rusting of Iron and Crystallisation

Soil

• Explaining a Soil Profile
• Different Types of Soil
• Soils Contains Air
• Soil Can Absorb Water
• Soil Erosion and Pollution

Sorting Materials Into Groups

• List of Objects Around Us
• Definition of Materials
• Classification of Materials

Separation of Substances

• Reason for Separation Mixtures
• Methods of Seperation Mixtures
• Saturated Solutions – An Overview

Changes Around Us

• Classification of Changes
• Reversible Changes
• List of Irreversible Changes

Water

• Uses of Water in Daily Life
• Three States of Water
• Formation of Clouds : Condensation
• Water Cycle in Nature
• How Can We Conserve Water
• Rain Water Harvesting

Air Around Us

• Air is Present Everywhere Around Us
• Composition of Air
• Carbon Dioxide