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Chemistry, 10.12.2020 23:50 jzjajsbdb8035
Which one of the following statements BEST describes a chemical reaction?
Answers:
A new substance is formed and the process can usually be undone.
A new substance is formed and the process can usually NOT be undone.
A new substance is NOT formed and the process can usually be undone.
A new substance is NOT formed and the process can usually NOT be undone.
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Which one of the following statements BEST describes a chemical reaction?
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