what is physical change and chemical change?
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Answer:
Physical changes only change the appearance of a substance, not its chemical composition. Chemical changes cause a substance to change into an entirely substance with a new chemical formula. Chemical changes are also known as chemical reactions.
Explanation:
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Answer:
A chemical change results from a chemical reaction, while a physical change is when matter changes forms but not chemical identity.
Examples for chemical changes are:
Examples of physical changes are:
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