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Matter can undergo both chemical and physical changes. What indicates that the change was definitely chemical? The temperature changed. A precipitate formed The color changed. A gas formed. ​
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Matter can undergo both chemical and physical changes. What indicates that the change was definitely

chemical?

The temperature changed.


A precipitate formed

The color changed.


A gas formed.
​

User Sasha Koss
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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.
User Nichelle
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