Question

why is dissolving sugar in water a physical change? the sugar is broken down into different kinds of molecules. the sugar and water react to make something new. the sugar molecule stays the same substance —it just mixes in.

Explanation:

In a physical change, the substance's chemical identity remains the same. When sugar dissolves in water, sugar molecules disperse in water but do not change chemically.

Answer:

The sugar molecule stays the same substance —it just mixes in.