Question

Select the correct answer
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

Answer 1

Answer:

B

Explanation:

physical changes do not change the chemical or molecular make up if a substance

Answer 2

Answer:

B. may involve a change in phase but does not involve a change in the molecular structure.

Explanation:

This is because a physical change is when a substance in changed but remains the same substance. For example if you freeze liquid water into ice it is still H2O.