Normal rainwater has a pH level of A. 3.2 B. 5.6 C. 6.3 D. 8.3

3.2
5.6
6.3
8.3

The correct answer is B. 5.6.

Rainwater is slightly acidic due to the presence of carbon dioxide in the atmosphere. When carbon dioxide dissolves in water, it forms carbonic acid. The pH scale ranges from 0 to 14, with 7 being neutral. A pH below 7 is acidic, and a pH above 7 is basic. Rainwater typically has a pH of 5.6, which is slightly acidic.

Option A is incorrect because a pH of 3.2 is very acidic. Option C is incorrect because a pH of 6.3 is neutral. Option D is incorrect because a pH of 8.3 is basic.

The pH of rainwater can vary depending on a number of factors, including the amount of carbon dioxide in the atmosphere, the amount of pollution in the air, and the amount of rainfall.