Examinando por Materia "DESPRENDIMIENTO GASEOSO"
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Publicación Acceso abierto Lección de Química # 24 Reacciones ácido base(2014-05-27) Lopez-Díaz, L. (Laura); Arango, S. (Sergio)Gaseous detachment, precipitation, warming and color change, are evidence that there was a chemical change process, but some reactions do not generate such changes as is the case of an acid base reaction, in this case a third substance is added showing the chemical change. These substances are called chemical indicators or pH indicators.