Which statement correctly describes a physical change?
A.
involves breaking and creating chemical bonds but not changing a phase
B.
may involve a change in phase but does not involve a change in the molecular structure
C.
may involve converting two or more substances into new substances
D.
involves changes at the molecular level
E.
involves energy transfer and change in color
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The answer is B because only the physical properties change but the chemical properties do not change and it is reversible.
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