Which of the following statements describes a difference between a chemical change and a physical change in a substance?

A. A physical change occurs only in elements; a chemical change occurs only in compounds.
B. A chemical change occurs only in elements; a physical change occurs only in compounds.
C. The result of a physical change is a different composition; in a chemical change, the composition remains the same.
D. The result of a chemical change is a different composition; in a physical change, the composition remains the same.

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GinnyAnswer GinnyAnswer · Answer 1 · 2024-08-01T14:00:18-04:00

Chemical changes alter composition, physical changes do not.

The difference between a chemical change and a physical change lies in the composition of substances involved in the process.

In a chemical change, there is a transformation of substances into different materials with altered properties.

On the other hand, a physical change does not alter the composition of the substances; it only involves changes in appearance, shape, or state.

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