Welcome to the 1520 Perfect Dictionary
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| pH VALUE Definition: A number used to express degrees of acidity or alkalinity in solutions - formerly, the logarithm to base 10 of the reciprocal of the concentration of hydrogen ions; now, related by formula to a standard solution of potassium hydrogen phthalate, which has value 4 at 15 degrees Celsius. _____________________________________ NOT APPLICABLE. See perfect value (5). See perfect number (1). ___ See perfect usability. See perfect usefulness. See perfect specificity. ___ See perfect applicability. See perfect expression (5). | |
1520 Products |
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1520 Products was established in 2005 with the purpose of entertaining and teaching us on key and important aspects of life (such as marriage, sex, etc) through the playing of games which will allow us to laugh but at the same time pass a message of what is the right or ideal way. |
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 1520 Sex Game |
 1520 Puzzles |
 1520 Marriage Game |