Funções Químicas - Ciências
Autor: Thiago Augusto | Publicado: 2011-07-14T13:31:00-03:00

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 <![endif]-->  &nbsp;&nbsp; O cloreto de sódio, o sulfato de potássio e o bicarbonato de sódio, diferentemente do vinagre e do limão, apresentam sabor salgado. Mas quando dissolvidos em água&nbsp; também formam soluções que são bom condutores de corrente elétrica.
&nbsp; Já a cal hidratada (usada em pinturas) e o leite de magnésia tem sabor adstringente ("prende" a língua) e são substâncias iônicas que possuem em sua composição química apenas o radical OH como íon negativo (ânion). E ambas conduzem igualmente, bem a eletricidade quando em solução. Através destes exemplos você pode perceber o nome de função química. Existem 4 tipos de função química, que serão estudados. Os ácidos, as bases, os sais e os&nbsp; óxidos.
&gt;