3 Chemistry Experiments That Changed the World

By Spiral Education 30 Aug 22:23
scishow hank green chemistry experiment world changing discovery oxygen joseph priestley dephlogisticated air air pneumatic trough gas fire element ion michael faraday electricity current particle william hewell science scientist anion cation drug chemical synthesized aspirin medicine charles gerhardt acetylsalicylic acid willow bark compound laboratory reaction discovery channel sci Display all tags
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