Question

what is the acid rainl ?

Answer 1

Excessive CO2, smoke and nitrogen dioxide when released into the atmosphere come in contact with water vapours present and this results in the formation of the sulphuric acid and nitric acid. The acids fall down with rain, making it acidic. This is called acid rain.

Answer 2

acid rain is a broad term that includes any form of percipitate with acidic components such as sulphuric acid or nitric acid that fall to the ground from the atmosphere in wet or dry forms.  This can include rain, snow, fog, hail or even dust that is acidic.  .....