The properties of the compounds observed from the external characteristics of the substance include status, color, smell, taste. The water solubility of the substance is the physical properties of the substance.
Properties of the observations made by the appearance of color, flavor compounds, including the status of the water-soluble compounds. The physical properties of substances
The properties of the substance can be observed from external effects include state, color, smell, taste,Aquatic fusion of substances, physical properties of substance.