Is burning paper a chemical change?įrying an egg is a chemical reaction. Common physical changes include melting, change of size, volume, color, density, and crystal form. What are the 6 physical changes?Ī physical change occurs when there is a change in physical properties of a substance but not chemical compostion. What are 2 examples of a chemical change?īoiling water is a physical change because the gaseous water produced is chemically identical to the liquid water i.e both of them have the same molecular structure of the water. Hence, it is a chemical change not a physical one. As we burn paper, it changes into ash i.e., changes its chemical composition. Physical changes involve changes in the form of a substance, but not its chemical composition. Some physical changes that matter can go through are breaking, melting, freezing, cutting, crushing and dissolving.
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