Substances can undergo physicalchanges or chemical
Chapter 3, Problem 3.2.10(choose chapter or problem)
Substances can undergo physicalchanges or chemical changes. What isthe difference between these two kindsof changes?A A chemical change can often beundone, and a physical change cannot.B A physical change cannot be observedeasily, and a chemical change can.C A chemical change affects only thephysical properties of a substance. Aphysical change changes the molecularstructure of a substance.D A physical change does not affect theidentity of a substance. A chemicalchange changes the molecular structureof a substance.
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