Welcome to the 1520 Perfect Dictionary
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| pH Definition: (chemistry) A measurement of the level of acid or alkali in a solution or substance. In the pH range of 0 to 14 a reading of below 7 shows an acid and above 7 shows an alkali. __________________________________ See perfect measurement (1). See perfect measurement (2). _____ See perfect level (1). _____ See perfect measure (1). | |
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 |