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AP8715 - $24.70
Amazing! Beautiful popcorn-like crystals actually growing out of a rock. How is this possible? In this demonstration, the teacher performs tests on a limestone rock to determine some of its chemical and physical properties. The rock is then placed...
AP6651 - $12.45
A precipitate forms as a solution is heated, and dissolves again as it cools–opposite of what is typically observed in precipitation reactions. This "discrepant demonstration" is great for introducing the idea that there are exceptions to...
P.O. Box 219, Batavia, IL60510



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