Chemistry, 12.07.2019 11:00 ayoismeisjjjjuan

Which is evidence that a chemical reaction has occured. a. a phase change occurs b. a new gas is observed in the form of bubbles c. red and yellow paint mixing to make orange paint d. the temperature of the substance remains constant

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Which is evidence that a chemical reaction has occured. a. a phase change occurs b. a new gas is obs...

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