A) \[S{{O}_{2}}\], and \[N{{O}_{2}}\]
B) \[CO\] and \[C{{O}_{2}}\]
C) \[CO\]and \[S{{O}_{3}}\]
D) \[{{O}_{3}}\] and dust
Correct Answer: A
Solution :
The main precursors of acid rain are \[S{{O}_{2}}\] and \[N{{O}_{2}}\] in atmosphere which form \[{{H}_{2}}S{{O}_{4}}\] (Sulphuric acid) and \[HN{{O}_{3}}\] (nitric acid) with \[{{H}_{2}}O\] and these come down with rain. Such rains are called acid rains.
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