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Class 9 Chemistry

Class 9 · Chemistry · Ch 9

Matter - Its Nature and Behaviour

Atomic Foundations of Matter

25 board marks Medium ~7h to learn
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8 concepts to cover

8 concepts

Law of conservation of massLaw of constant proportionsDalton's atomic theoryMolecules of elements and compoundsIons and ionic compoundsWriting chemical formulaeMolecular massFormula unit mass

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