What is the best way to determine if a chemical reaction occurred? A)a new substance is created with new properties

Question

What is the best way to determine if a chemical reaction occurred?

A)a new substance is created with new properties

B)it bubbles

C)properties stay the same

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Thiên Ân 5 years 2021-07-24T05:36:39+00:00 1 Answers 17 views 0

Answers ( )

  1. Acacia
    0
    2021-07-24T05:37:56+00:00
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    Answer:

    B. It bubbles

    Explanation:

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