Which of the following is a definite indicator of a chemical change?

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Which of the following is a definite indicator of a chemical change?

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Gia Bảo 6 months 2021-07-17T08:24:35+00:00 1 Answers 0 views 0

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  1. yenoanh
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    2021-07-17T08:26:10+00:00
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    Answer:

    Some signs of a chemical change are a change in color and the formation of bubbles. The five conditions of chemical change: color chage, formation of a precipitate, formation of a gas, odor change, temperature change.

    Explanation:

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