Carbon dioxide in the atmosphere dissolves with the raindrops. The pH of raindrops is ________.
A) slightly acidic
B) slightly basic
C) same as pure water
D) depends on the altitude where rain drops are formed

Question

Quizplus · Accepted Answer

Carbon dioxide dissolves in water droplets to form carbonic acid, which makes the pH of rain drops slightly acidic. The pH of rainwater is usually between 5.0 and 5.5, which is slightly acidic.

Carbon Dioxide in the Atmosphere Dissolves with the Raindrops