{"id":85238,"date":"2025-06-01T03:08:44","date_gmt":"2025-06-01T03:08:44","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=85238"},"modified":"2025-06-01T03:08:44","modified_gmt":"2025-06-01T03:08:44","slug":"which-one-of-the-following-is-the-main-reason-of-acid-rains","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-the-main-reason-of-acid-rains\/","title":{"rendered":"Which one of the following is the main reason of acid rains ?"},"content":{"rendered":"

Which one of the following is the main reason of acid rains ?<\/p>\n

[amp_mcq option1=”Dissolution of sulphur and nitrogen oxides in rain” option2=”Dissolution of minerals in rain” option3=”Dissolution of dust particles in rain” option4=”Dissolution of soil solution in rain” correct=”option1″]<\/p>\n

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This question was previously asked in<\/div>\n
UPSC CDS-1 – 2022<\/div>\n<\/div>\n
Download PDF<\/a>Attempt Online<\/a><\/div>\n<\/div>\n
\nThe main reason for acid rain is the dissolution of sulphur and nitrogen oxides in rain.
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\nAcid rain is caused by atmospheric pollution, primarily from industrial processes, vehicles, and burning of fossil fuels. These activities release sulfur dioxide (SO\u2082) and nitrogen oxides (NO\u2093) into the atmosphere. These gases react with water, oxygen, and other chemicals to form sulfuric acid (H\u2082SO\u2084) and nitric acid (HNO\u2083), which then fall to the ground in precipitation (rain, snow, fog, etc.).
\n<\/section>\n
\nWhile rain naturally contains dissolved carbon dioxide, making it slightly acidic (pH ~5.6), acid rain has a significantly lower pH (typically below 5.0, and can be much lower). The dissolution of minerals, dust particles, or soil solution in rain do not cause acid rain; they might affect the pH of runoff or surface water but are not the primary cause of acidic precipitation itself.
\n<\/section>\n","protected":false},"excerpt":{"rendered":"

Which one of the following is the main reason of acid rains ? [amp_mcq option1=”Dissolution of sulphur and nitrogen oxides in rain” option2=”Dissolution of minerals in rain” option3=”Dissolution of dust particles in rain” option4=”Dissolution of soil solution in rain” correct=”option1″] This question was previously asked in UPSC CDS-1 – 2022 Download PDFAttempt Online The main … <\/p>\n

Detailed SolutionWhich one of the following is the main reason of acid rains ?<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1087],"tags":[1108,1136,1137],"class_list":["post-85238","post","type-post","status-publish","format-standard","hentry","category-upsc-cds-1","tag-1108","tag-environment-and-ecology","tag-pollution","no-featured-image-padding"],"yoast_head":"\nWhich one of the following is the main reason of acid rains ?<\/title>\n<meta name=\"description\" content=\"The main reason for acid rain is the dissolution of sulphur and nitrogen oxides in rain. Acid rain is caused by atmospheric pollution, primarily from industrial processes, vehicles, and burning of fossil fuels. These activities release sulfur dioxide (SO\u2082) and nitrogen oxides (NO\u2093) into the atmosphere. 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