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(HELP FAST)Which of the following always changes when a substance undergoes a
chemical change?

(HELP FAST)Which of the following always changes when a substance undergoes a chemical-example-1
User Cfchou
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arrangement of atoms composing the substance (C) should be the correct answer. Color doesn’t always change, along with mass and the state of matter doesn’t always occur with a chemical reaction
User ByteNirvana
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