Which statement best describes a physical change?

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

Question

06-08-2024
Chemistry

Answered

Which statement best describes a physical change?

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

Answer :

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GinnyAnswer GinnyAnswer · Answer 1 · 2024-08-06T16:48:43-04:00

Final answer:

A physical change involves altering physical properties without changing the chemical composition of a substance, resulting in a reversible process that does not create new substances.

Explanation:

A physical change occurs when a sample of matter changes one or more of its physical properties without affecting its chemical composition. For example, melting ice or boiling water are physical changes where the substance changes state without becoming a new substance.

During a physical change, the arrangement of particles may alter, but the chemical composition remains the same. This type of change is reversible and does not result in the creation of a new substance.

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