what must occur for a change to be a chemical reaction? ​

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what must occur for a change to be a chemical reaction?
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Sapo 3 years 2021-07-10T07:51:05+00:00 1 Answers 10 views 0

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  1. quangkhai
    0
    2021-07-10T07:52:34+00:00
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    there must be a change in chemical properties, during a chemical reaction matter is neither created of destroyed

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )