Physics, 11.10.2019 20:00 ErnieIrwin

Which one of the following statements is true?

a. neither chemical nor physical changes involve a change in appearance.
b. both chemical and physical changes can involve a change in appearance.

c. only chemical changes involve a change in appearance.

d. only physical changes involve a change in appearance.

Answers: 3

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Which one of the following statements is true?

a. neither chemical nor physical changes...

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