acidity of normal rain water is due to
a) SO2
b) CO2
c) NO2
d) NO

Question

anonymous · Answer

I would say A.)SO2

anonymous · Answer

"Acid rain is caused by emissions of carbon dioxide, sulfur dioxide and nitrogen oxides which react with the water molecules in the atmosphere to produce acids." Source: http://en.wikipedia.org/wiki/Acid_rain

anonymous · Answer

it says normal rain

anonymous · Answer

Normal rain isn't suppose to have any acidity (at least to a noticable degree).

anonymous · Answer

From how i interpreted the question is what turns normal rain into acid rain, if that's not the question. Then disregard any answer i've given.

anonymous · Answer

Carbonic acid is fairly weak, however.

apoorvk · Answer

SO2 with water forms sulphurous acid - which lends its acidity to the rain water - causing acid rain.