Chapter 1 : Some Basic Concepts of Chemistry

This lesson covers detailed lectures of following topics along with practice assignments and their video solutions:

• Classification of Matter – On the basis of physical state and chemical composition
• Properties of Matter – Physical properties and Chemical properties
• Units for Measurement – Fundamental units and Derived units
• Interconversion of units
• Scientific Notation
• Rounding off
• Mole Concept / Atomic and Molecular masses
• Percentage Composition
• Empirical and Molecular Formula
• Expressing Concentration of Solutions
  • Mass per cent or weight per cent (w/w %)
  • Volume per cent (v/v %)
  • Mass/ volume percent (w/v %)
  • Parts per million(ppm)
  • Mole fraction(x)
  • Molarity(M)
  • Molality(m)
  • Strength

• Stoichiometry / Concept of Limiting Reagent