Chemistry: Ivory Soap Trick

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Ivory Soap Trick Jul 31st 2011, 09:34 Ivory soap is the soap that floats, the soap that is 99.44% pure. It is not true that Ivory was invented accidentally by a Proctor & Gamble employee who neglected to turn off a mixing machine when he left for his lunch break. I liked that story, though. Meatloaf day at the cafeteria! I'm so outta here! (just teasing you, P&G people) Apparently James M. Gamble, son of P&G co-founder James Gamble, made floating soap back in 1863. A notebook entry states, "I made floating soap today. I think we'll make all of our stock that way." However Ivory came to be, there is no disputing it's fun to microwave. The air and water inside the soap expands (safely), producing mountains of foam, which maintain their shape when cooled. Try it out...

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