Which is NOT a characteristic of mixture Help please A. Elements in a mixture are combined without creating a chemical reaction

Question

Which is NOT a characteristic of mixture Help please

A. Elements in a mixture are combined without creating a chemical reaction

B. Each substance in a mixture retains its own chemical identity

C. A chemical change occurs within a mixture

D. Two or more elements are combined with one another

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Vân Khánh 4 years 2021-07-31T06:27:02+00:00 1 Answers 36 views 0

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  1. thuthuy
    0
    2021-07-31T06:28:36+00:00
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    Answer:

    Its C let me know if its wrong!

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