Basics of Chemistry

Chapter Highlights

Matter and its nature, Dalton’s atomic theory, Concept of atom, Molecule, Element, Compound, Precision, Significant figures, SI units, Derived units, Laws of chemical combinations, Mole, Mass, Molecular mass, Equivalent mass, Chemical equation, Stoichiometry of chemical equation and various levels of multiple-choice questions.


Any species having mass and occupying space is known as matter. It can exist in the three physical states, namely, solid, liquid and gas.


Figure 1.1 Classification of Matter

Pencil, air, water, justify the physical states and are all composed of ...

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