As a subject matter expert in chemistry, I can tell you that when sugar is dissolved in water, it undergoes a physical change, not a chemical change. Here's why:

When sugar (sucrose) is added to water, the sugar molecules are dispersed throughout the water, but they remain as sugar molecules. The process involves the interaction between the polar sugar molecules and the polar water molecules, which leads to the sugar dissolving. However, the chemical structure of the sugar itself does not change; no new substances are formed. This is the key distinction between a physical change and a chemical change.

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Is dissolving of sugar in water a chemical or physical change? Dissolving sugar in water is a physical change. You can tell this because if you were to dissolve the sugar in water and then let the water evaporate, the sugar would still be left.read more >>