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Chemistry, 14.12.2019 09:31 thestarlexyp32wpj

Identify each of the following as either a physical change or a chemical change. explain your answers.

a. a piece of wood is sawed in half.
b. milk turns sour.
c. melted butter solidifies in the refrigerator.

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Identify each of the following as either a physical change or a chemical change. explain your answer...

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