A) Smoke
B) Dust
C) \[S{{O}_{2}}\]
D) \[N{{H}_{3}}\]
Correct Answer: C
Solution :
[c] \[S{{O}_{2}}\] produces sulphuric acid \[S{{O}_{2}}+{{O}_{2}}+{{H}_{2}}O\xrightarrow[Soot\,particles]{N{{O}_{x}}}{{H}_{2}}S{{O}_{4}}\] Presence of hydrocarbons, \[N{{O}_{X}}\] and soot particles increases the oxidation of \[S{{O}_{2}}.\] Acidity in rain is created due to the presence of oxides of sulphur and nitrogen in the rain.
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