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Chemical substance

Frae Wikipedia, the free beuk o knawledge
Steam an liquid watter are twa different furms o the same chemical substance, watter.

In chemistry, a chemical substance is a furm o matter that haes constant chemical composeetion an characteristic properties.[1] It cannae be separatit intae components bi pheesical separation methods, i.e. wioot breakin chemical bonds. It can be solid, liquid, gas, or plasma.

References[eedit | eedit soorce]

  1. IUPAC, Compendium o Chemical Terminology, 2nt ed. (the "Gold Book") (1997). Online corrected version:  (2006–) "Chemical Substance".