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When vinegar and baking soda are combined, bubbles begin to form. Bubbles are evidence of a chemical reaction because they -

A.pop when they are touched.
B.show that a gas is forming.
C. form at a fast rate.
D.are generally transparent.

User Ninjayoto
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1 Answer

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The answer is B. its take a reaction to form gas.
User Schlenk
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