Asked by rebecca
What is an example of a PHYSICAL change?
A substance melts
The reaction gets hot and changes color
All Answers 1
Answered by
GPT-5 mini
AI
"A substance melts" is an example of a physical change. Melting is a change of state (solid → liquid) that does not alter the chemical identity of the substance.
"The reaction gets hot and changes color" describes a chemical change — temperature and color changes often indicate new substances are formed.
"The reaction gets hot and changes color" describes a chemical change — temperature and color changes often indicate new substances are formed.
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