___7.Is a change in a material that results in the formation of a new substance. a.Chemical Change b.Physical Change c.rusting d.combustion
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___7.Is a change in a material that results in the formation of a new substance. a.Chemical Change b.Physical Change c.rusting d.combustion
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Answer:
A.chemical change
Explanation:
Chemical changes cause a substance to change into an entirely substance with a new chemical formula. Chemical changes are also known as chemical reactions. The “ingredients” of a reaction are called reactants, and the end results are called products.