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pdf د دي فایل د داونلود کولو لپاره سیستم ته ننوڅئ.The different types of matter can be distinguished through two components: composition and properties. The composition of matter refers to the different components of matter along with their relative proportions. The properties of matter refer to the qualities/attributes that distinguish one sample of matter from another. These properties are generally grouped into two categories: physical or chemical.
http://chem.libretexts.org/Core/Inorganic_Chemistry/Chemical_Reactions/Properties_of_Matter
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