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Химични вещества


химичните елементихимичните съединенияфармацевтикатаправителствените организацииобществотосмесиписалка












Химично вещество




от Уикипедия, свободната енциклопедия

(пренасочване от Химикал)





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Вода, най-разпространеното химично вещество


Химично вещество (или за кратко химикал) е материал с определена и постоянна химическа структура. Такива са химичните елементи и химичните съединения. Името навлиза в употреба през XVIII век.


Терминът химикал, използван от химиците, е технически термин и със строго определено значение. От друга страна думата химикал във фармацевтиката, правителствените организации и обществото като цяло включва много по-широк диапазон вещества, като смеси и най-вече материали с изкуствен произход, синтезирани и произведени от химическата промишленост. В България думата химикал се използва и за вид писалка.










Взето от „https://bg.wikipedia.org/w/index.php?title=Химично_вещество&oldid=8705920“.










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