Normal rainwater is slightly acidic due to the presence of

1.	Normal rainwater is slightly acidic due to the presence of
Answer» <html><body><p> Carbon <a href="https://interviewquestions.tuteehub.com/tag/dioxide-954355" style="font-weight:bold;" target="_blank" title="Click to know more about DIOXIDE">DIOXIDE</a></p><br/><br/><p>The acidity of rainwater comes from the natural presence of three substances (CO<sub>2</sub>, NO, and SO<sub>2</sub>) <a href="https://interviewquestions.tuteehub.com/tag/found-458144" style="font-weight:bold;" target="_blank" title="Click to know more about FOUND">FOUND</a> in the troposphere (the lowest layer of the atmosphere). As is seen in Table I, carbon dioxide (CO<sub>2</sub>) is present in the greatest concentration and therefore <a href="https://interviewquestions.tuteehub.com/tag/contributes-932548" style="font-weight:bold;" target="_blank" title="Click to know more about CONTRIBUTES">CONTRIBUTES</a> the most to the natural acidity of rainwater.</p></body></html>

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