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Why is rain water acidic at times and not basic ever? |
Answer» <html><body><p><strong><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a>:</strong></p><p>Normal, clean rain has a pH value of between 5.0 and 5.5, which is <a href="https://interviewquestions.tuteehub.com/tag/slightly-3037487" style="font-weight:bold;" target="_blank" title="Click to know more about SLIGHTLY">SLIGHTLY</a> <a href="https://interviewquestions.tuteehub.com/tag/acidic-847601" style="font-weight:bold;" target="_blank" title="Click to know more about ACIDIC">ACIDIC</a>. However, when rain combines with sulfur dioxide or nitrogen oxides—produced from power plants and automobiles—the rain becomes much more acidic. <a href="https://interviewquestions.tuteehub.com/tag/typical-1434778" style="font-weight:bold;" target="_blank" title="Click to know more about TYPICAL">TYPICAL</a> acid rain has a pH value of 4.0.</p></body></html> | |