Answer:Potential signs that synthetic responses have happened remember a change for color, change in temperature, arrangement of a gas, and development of a hasten
Step-by-step explanation:
Answer:
There are five signs of a chemical change:
Color Change.
Production of an odor.
Change of Temperature.
Evolution of a gas (formation of bubbles)
Precipitate (formation of a solid)
learned and found it in my journal.
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