Question

Which best describes the difference between physical and chemical changes? *

(1 Point)

A. Physical changes only change the size or shape, but chemical changes change the molecular structure and

create a new substance

B. Physical are always visible changes and chemical changes are never visible.

C. Chemical changes only change the size or shape, but physical changes change the molecular structure and

create a new substance

D. Chemical are always visible changes and Physical changes are never visible

Answer 1

A. Physical changes only change the size or shape, but chemical changes change the molecular structure and create a new substance.