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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
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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.

User Gonzohunter
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1 Answer

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B. Because chemical changes (for example, burning turning something into ashes) can change it's appearance while physical changes (for example, crumpling a piece of paper) can aswell.
User Priyam Dutta
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