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OpenStudy (anonymous):
**WILL MEDAL** Which identifies that a chemical reaction has occurred? A. New substances are produced. B. The color has changed. C. Bubbles have formed. D. Temperature has changed.
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OpenStudy (anonymous):
A?
OpenStudy (anonymous):
New substances are produced. your correct
OpenStudy (anonymous):
Thx again lol
OpenStudy (anonymous):
no problem
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