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Measurement of Matter — Science STD 9 — Question

Maharashtra BoardEnglish MediumSTD 9ScienceMeasurement of Matter3 Marks
Question
What is the Dalton’s atomic theory?
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Answer

Dalton’s Atomic theory-
  • All matter is made of atoms. Atoms are indivisible and indestructible.
  • All atoms of a given element are identical in mass and properties.
  • Compounds are formed by a combination of two or more different kinds of atoms.
  • A chemical reaction is a rearrangement of atoms.

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