Colby College

mixing baking soda (base) and vinegar (acid) Which is a chemical change? (circle your answer) putting food coloring in water water becoming ice. rust forming on a nail. References: Tro, Nivaldo J. Chemistry: A Molecular Approach. Upper Saddle River: Pearson Education, Inc. 2008. Print. Kid-Friendly Elephant Toothpaste Demo. About.com Guide. ................
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