The reaction of phosphoric acid with calcium contained in milk gives rise to a precipitate 3Ca + 2H3PO4 /// Ca3(PO4)2 + 3H2
Posted 9 years ago by anri1 in category: science   Comments (1)


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More beer, more passes.
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Over 8 hours of Petaminx tutorial and commentary. Watch and learn if you feel like the Rubik's cube is just too simple.
Posted 9 years ago by Nukki in category: geeky   Comments (6)


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