Acid Rain

[Corryn Doll]

What exactly causes acidic rain to form? Why is it possible for rain to be acidic?

[Taizha 1C]

Acidic rain forms from sulfur dioxide and nitrogen are released in to the air (as from coal power plants) and interact with water or oxygen.

[Sollie1G]

This value is considered neutral—neither acidic or basic. 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.

[lukezhang2C]

The water molecules in rain react with pollutants in the air and becomes acidic in nature

[Xingzheng Sun 2K]

One more thing to know is that rain is normally acidic, and the acid rain is when rain is too acidic (more than normal).

[305127455]

Mainly caused by chemicals like SO4^2- and NO3- coming from burning fossil fuels, such as coal.

[605168557]

It is possible for rain to be acidic because as it falls from the atmosphere, it collects impurities which change the pH of the rain water to be acidic or alkaline.

[AngelaZ 1J]

SO2 reacts with water vapor to form acidic rain. (SO2 comes from burning petroleum products, coal, etc.)
SO2(g) + H2O(l) → H2SO3(aq)

[SophiaKohlhoff4B]

Is acid rain formed from SO2 or SO4?

[cara_cavarretta_3F]

SO2 as it results from fossil fuel combustion