Which is evidence that a chemical reaction has 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 paint D) the temperature

asked May 16, 2021 3.9k views

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3 votes

Answer:

I think A) a phase change occurs

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6 votes

Answer:

a new gas is observed in the form of bubbles

Step-by-step explanation:

just did it!

Hgcummings answered May 23, 2021

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