Question

11 pH of acid rain water is? 11 pH of acid rain water is__________. if the pH of mouth below ________ , tooth decay become .

Answer 1

Answer:

Normal, clean rain has a pH value of between 5.0 and 5.5, which is slightly acidic. However, when rain combines with sulfur dioxide or nitrogen oxides—produced from power plants and automobiles—the rain becomes much more acidic. Typical acid rain has a pH value of 4.0