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  • The normal rain water is slightly acidic and its pH value is 5.6 because of which one of the following?  Option: 1 <img alt="\mathrm{C

The normal rain water is slightly acidic and its pH value is 5.6 because of which one of the following?

 

Option: 1

\mathrm{CO}_2+\mathrm{H}_2 \mathrm{O} \rightarrow \mathrm{H}_2 \mathrm{CO}_3


Option: 2

2 \mathrm{SO}_2+\mathrm{O}_2+2 \mathrm{H}_2 \mathrm{O} \rightarrow 2 \mathrm{H}_2 \mathrm{SO}_4


Option: 3

4 \mathrm{NO}_2+\mathrm{O}_2+2 \mathrm{H}_2 \mathrm{O} \rightarrow 4 \mathrm{HNO}_3


Option: 4

\mathrm{N}_2 \mathrm{O}_5+\mathrm{H}_2 \mathrm{O} \rightarrow 2 \mathrm{HNO}_3


Answers (1)

best_answer

Due to presence of \mathrm{CO_{2}} in air normal rain water is slightly acidic

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Riya

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