The pH scale measures ranges from 0 to 14. A pH of 7 is neutral. A - TopicsExpress



          

The pH scale measures ranges from 0 to 14. A pH of 7 is neutral. A pH less than 7 is acidic, and a pH greater than 7 is basic (alkaline). The normal pH ranges : -Pure water :::::::pH 7.0 -blood :::::::::::::::pH 7.35-7.45 -saliva :::::::::::::::pH 5.4-7.5 -gastric juice ::::pH 1.5-3.5 -bile ::::::::::::::::::pH 5.5-8.5 -urine ::::::::::::::::pH 4.5-8.0 -semen :::::::::::::pH 7.2-7.8 -skin :::::::::::::::::pH 5.4-5.9 -tears :::::::::::::::pH 6.5-7.6
Posted on: Fri, 20 Sep 2013 21:46:48 +0000

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