{"id":53817,"date":"2024-04-15T23:59:35","date_gmt":"2024-04-15T23:59:35","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=53817"},"modified":"2024-04-15T23:59:35","modified_gmt":"2024-04-15T23:59:35","slug":"which-of-the-following-is-a-secondary-pollutant","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-is-a-secondary-pollutant\/","title":{"rendered":"Which of the following is a secondary pollutant"},"content":{"rendered":"<p>[amp_mcq option1=&#8221;CO2&#8243; option2=&#8221;CO&#8221; option3=&#8221;O3&#8243; option4=&#8221;SO2&#8243; correct=&#8221;option3&#8243;]<!--more--><\/p>\n<p>The correct answer is C. Ozone (O3).<\/p>\n<p>A secondary pollutant is a pollutant formed when primary pollutants react with other chemicals in the atmosphere. Ozone is a secondary pollutant that is formed when nitrogen oxides (NOx) and volatile organic compounds (VOCs) react in the presence of sunlight.<\/p>\n<p>CO2, CO, and SO2 are primary pollutants. Primary pollutants are pollutants that are emitted directly into the atmosphere from a source, such as a power plant or a car.<\/p>\n<p>CO2 is a greenhouse gas that contributes to climate change. CO is a colorless, odorless gas that is poisonous to humans. SO2 is a gas that can cause acid rain.<\/p>\n<p>Ozone is a gas that is found in the stratosphere, where it protects the Earth from harmful ultraviolet radiation. However, ozone in the troposphere, the lowest layer of the atmosphere, is a pollutant that can cause respiratory problems and other health issues.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[amp_mcq option1=&#8221;CO2&#8243; option2=&#8221;CO&#8221; option3=&#8221;O3&#8243; option4=&#8221;SO2&#8243; correct=&#8221;option3&#8243;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[34],"tags":[],"class_list":["post-53817","post","type-post","status-publish","format-standard","hentry","category-environmental-science","no-featured-image-padding"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.2 (Yoast SEO v23.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Which of the following is a secondary pollutant<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-is-a-secondary-pollutant\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Which of the following is a secondary pollutant\" \/>\n<meta property=\"og:description\" content=\"[amp_mcq option1=&#8221;CO2&#8243; 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