De los siguientes conjuntos indique con una cruz los que constituyen un sistema material
drogas en un botiquín
solución de sulfato de cobre en agua para verificar su cristalización x
alcohol para desinfectar una herida
hielo, vaso de precipitados, termómetro para determinar su punto de fusión. x
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De los siguientes conjuntos indique con una cruz los que constituyen un sistema material
drogas en...
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