Dissolving the sugar cube in water is a physical change. It doesn't alter the sugar's chemical structure like burning it or breaking it down with acid.
A material safety data sheet (MSDS) provides information on materials and chemical products. Both of these technicians are correct since the MSDS contains several sections including two sections referring to the toxicological information and the physical and chemical properties of the material. The physical and chemical properties involve information such as freezing/melting point, viscosity, solubility in water and others. The toxicological information should include information on the short- and long-term effects of exposure to this material and the several types of toxicity that this material could cause.
The food must be colder than 41°F.
What their motions are and how the brain works in a baby
