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Biology 18 Online
OpenStudy (kendricklamar2014):

Which of the following is an example of a chemical change? A. Iron changing color when heated B. Gas bubbles forming in boiling water C. Balls of wax forming when melted wax is poured into ice water D. A gas forming when vinegar and baking soda are mixed

OpenStudy (kendricklamar2014):

Is it a gas forms when vinegar and baking soda are mixed

OpenStudy (anonymous):

These all pretty much seem like they could make a case for a chemical change. But here I think A stands out because whenever a color change takes place, thats usually an indication that a chemical change has taken place.

OpenStudy (excalibur0126):

a gas forming when vinegar and baking soda are mixed

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