Which statement best describes a physical change?

Changes can occur to certain chemical properties of the substance, but the overall shape of the substance will remain the same.
Changes can occur to certain physical properties of the substance, but the overall shape of the substance will remain the same.
Changes can occur to physical properties of a substance, but the chemical composition of the substance remains the same.
Changes can occur to chemical properties of a substance, but the chemical composition of the substance remains the same.

1 answer

The statement that best describes a physical change is:

"Changes can occur to physical properties of a substance, but the chemical composition of the substance remains the same."

This accurately reflects the nature of physical changes, where properties such as shape, state, or appearance may change, but the substance itself retains its chemical identity.