Color Change Thermometer Project
(About.com) Here's a color change project that will give you a liquid that fluctuates between pink and blue as the temperature changes.What You Needbeaker or attractive clear container3 g cobalt(II) chloride hexahydrate (also known as cobaltous chloride hydrate)
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updated 981 (Chemistry), inserted 10, updated 0, at 2012-05-28 11:03:13