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Chemistry, 28.09.2019 16:30 FernandesLD8773

Which is evidence that a chemical reagan occurred?
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
d. the temperature of the substance remains constant updates

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Which is evidence that a chemical reagan occurred?
a. a phase change occurs
b. a new g...
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