When carbon dioxide in the atmosphere dissolves with the raindrops, what is the expected change in pH of the raindrops?
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

When carbon dioxide (CO2) dissolves in water (H2O), it forms carbonic acid (H2CO3), which slightly lowers the pH of the raindrops, making them slightly acidic.

When Carbon Dioxide in the Atmosphere Dissolves with the Raindrops