What is the pH of normal rain, and when does it become dangerous?


The pH of normal rain is between 5.5 and 5. It becomes dangerous at 4 and under PH 8 because 7 is the normal human being can get, it can also become very low when big sums of acid are present.
About -  Privacy -  Careers -  Ask Blog -  Mobile -  Help -  Feedback  -  Sitemap  © 2014 Ask.com