Physical changes only affect the appearance of a substance; they have no effect on its chemical composition. Chemical transformations are also referred to as chemical reactions. In a chemical reaction, the "ingredients" are referred to as reactants, and the end results are referred to as products.
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Answer:
Physical changes
Explanation:
Physical changes only affect the appearance of a substance; they have no effect on its chemical composition. Chemical transformations are also referred to as chemical reactions. In a chemical reaction, the "ingredients" are referred to as reactants, and the end results are referred to as products.
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