Matter is anything that has mass and occupies space. It is classified at two levels: Solids, liquids, and gases. Chemical Classification:
Elements (single type of atom) and Compounds (atoms of different elements in a fixed ratio).
Homogeneous (uniform composition, like salt solution) and Heterogeneous (non-uniform, like sand in water). 2. Laws of Chemical Combination
These laws provide the rules for how elements interact to form compounds: CBSE Notes Class 11 Chemistry - All Chapters - Vedantu
The chapter bridges the gap between school-level science and the analytical depth required for competitive exams like JEE and NEET.
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