THIS DAY IN SCIENCE: Ford Model T - 1st Car On Assembly Line, Cost $825 in 1908

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Blue-Bottle Reaction

Blue-Bottle Reaction

  ««« By James Palcik A solution is prepared containing a dye. The dye, methylene blue, is colourless in a reduced state. Upon shaking the solution, the dye is oxidized and displays a blue colour. As the solution stands undisturbed, the dye fades to colourless as...
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