{"id":91163,"date":"2025-06-01T10:48:12","date_gmt":"2025-06-01T10:48:12","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=91163"},"modified":"2025-06-01T10:48:12","modified_gmt":"2025-06-01T10:48:12","slug":"which-of-the-following-are-some-important-pollutants-released-by-steel","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-are-some-important-pollutants-released-by-steel\/","title":{"rendered":"Which of the following are some important pollutants released by steel"},"content":{"rendered":"<p>Which of the following are some important pollutants released by steel industry in India?<\/p>\n<ul>\n<li>1. Oxides of sulphur<\/li>\n<li>2. Oxides of nitrogen<\/li>\n<li>3. Carbon monoxide<\/li>\n<li>4. Carbon dioxide<\/li>\n<\/ul>\n<p>Select the correct answer using the code given below.<\/p>\n<p>[amp_mcq option1=&#8221;1, 3 and 4 only&#8221; option2=&#8221;2 and 3 only&#8221; option3=&#8221;1 and 4 only&#8221; option4=&#8221;1, 2, 3 and 4&#8243; correct=&#8221;option4&#8243;]<\/p>\n<div class=\"psc-box-pyq-exam-year-detail\">\n<div class=\"pyq-exam\">\n<div class=\"psc-heading\">This question was previously asked in<\/div>\n<div class=\"psc-title line-ellipsis\">UPSC IAS &#8211; 2014<\/div>\n<\/div>\n<div class=\"pyq-exam-psc-buttons\"><a href=\"\/pyq\/pyq-upsc-ias-2014.pdf\" target=\"_blank\" class=\"psc-pdf-button\" rel=\"noopener\">Download PDF<\/a><a href=\"\/pyq-upsc-ias-2014\" target=\"_blank\" class=\"psc-attempt-button\" rel=\"noopener\">Attempt Online<\/a><\/div>\n<\/div>\n<section id=\"pyq-correct-answer\">Steel industry processes are significant sources of various air pollutants, including oxides of sulphur, oxides of nitrogen, carbon monoxide, and carbon dioxide.<\/section>\n<section id=\"pyq-key-points\">Oxides of sulphur (SOx) and nitrogen (NOx) are produced during the combustion of fuels and from raw materials containing sulphur and nitrogen. Carbon monoxide (CO) is a product of incomplete combustion. Carbon dioxide (CO2) is produced from the combustion of carbon-based fuels (like coal or coke) and also from chemical reactions involved in steel production (e.g., reduction of iron oxides). All four listed pollutants are associated with steel manufacturing.<\/section>\n<section id=\"pyq-additional-information\">Steel plants also release particulate matter, volatile organic compounds (VOCs), and heavy metals. Controlling these emissions is a major environmental challenge for the industry.<\/section>\n","protected":false},"excerpt":{"rendered":"<p>Which of the following are some important pollutants released by steel industry in India? 1. Oxides of sulphur 2. Oxides of nitrogen 3. Carbon monoxide 4. Carbon dioxide Select the correct answer using the code given below. [amp_mcq option1=&#8221;1, 3 and 4 only&#8221; option2=&#8221;2 and 3 only&#8221; option3=&#8221;1 and 4 only&#8221; option4=&#8221;1, 2, 3 and &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"Which of the following are some important pollutants released by steel\" class=\"read-more button\" href=\"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-are-some-important-pollutants-released-by-steel\/#more-91163\">Detailed Solution<span class=\"screen-reader-text\">Which of the following are some important pollutants released by steel<\/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":[1092],"tags":[1468,1136,1137],"class_list":["post-91163","post","type-post","status-publish","format-standard","hentry","category-upsc-ias","tag-1468","tag-environment-and-ecology","tag-pollution","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 are some important pollutants released by steel<\/title>\n<meta name=\"description\" content=\"Steel industry processes are significant sources of various air pollutants, including oxides of sulphur, oxides of nitrogen, carbon monoxide, and carbon dioxide. Oxides of sulphur (SOx) and nitrogen (NOx) are produced during the combustion of fuels and from raw materials containing sulphur and nitrogen. Carbon monoxide (CO) is a product of incomplete combustion. Carbon dioxide (CO2) is produced from the combustion of carbon-based fuels (like coal or coke) and also from chemical reactions involved in steel production (e.g., reduction of iron oxides). All four listed pollutants are associated with steel manufacturing.\" \/>\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-are-some-important-pollutants-released-by-steel\/\" \/>\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 are some important pollutants released by steel\" \/>\n<meta property=\"og:description\" content=\"Steel industry processes are significant sources of various air pollutants, including oxides of sulphur, oxides of nitrogen, carbon monoxide, and carbon dioxide. Oxides of sulphur (SOx) and nitrogen (NOx) are produced during the combustion of fuels and from raw materials containing sulphur and nitrogen. Carbon monoxide (CO) is a product of incomplete combustion. Carbon dioxide (CO2) is produced from the combustion of carbon-based fuels (like coal or coke) and also from chemical reactions involved in steel production (e.g., reduction of iron oxides). All four listed pollutants are associated with steel manufacturing.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-are-some-important-pollutants-released-by-steel\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T10:48:12+00:00\" \/>\n<meta name=\"author\" content=\"rawan239\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"rawan239\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Which of the following are some important pollutants released by steel","description":"Steel industry processes are significant sources of various air pollutants, including oxides of sulphur, oxides of nitrogen, carbon monoxide, and carbon dioxide. Oxides of sulphur (SOx) and nitrogen (NOx) are produced during the combustion of fuels and from raw materials containing sulphur and nitrogen. Carbon monoxide (CO) is a product of incomplete combustion. Carbon dioxide (CO2) is produced from the combustion of carbon-based fuels (like coal or coke) and also from chemical reactions involved in steel production (e.g., reduction of iron oxides). All four listed pollutants are associated with steel manufacturing.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-are-some-important-pollutants-released-by-steel\/","og_locale":"en_US","og_type":"article","og_title":"Which of the following are some important pollutants released by steel","og_description":"Steel industry processes are significant sources of various air pollutants, including oxides of sulphur, oxides of nitrogen, carbon monoxide, and carbon dioxide. Oxides of sulphur (SOx) and nitrogen (NOx) are produced during the combustion of fuels and from raw materials containing sulphur and nitrogen. Carbon monoxide (CO) is a product of incomplete combustion. 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All four listed pollutants are associated with steel manufacturing.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-are-some-important-pollutants-released-by-steel\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T10:48:12+00:00","author":"rawan239","twitter_card":"summary_large_image","twitter_misc":{"Written by":"rawan239","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-are-some-important-pollutants-released-by-steel\/","url":"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-are-some-important-pollutants-released-by-steel\/","name":"Which of the following are some important pollutants released by steel","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T10:48:12+00:00","dateModified":"2025-06-01T10:48:12+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"Steel industry processes are significant sources of various air pollutants, including oxides of sulphur, oxides of nitrogen, carbon monoxide, and carbon dioxide. Oxides of sulphur (SOx) and nitrogen (NOx) are produced during the combustion of fuels and from raw materials containing sulphur and nitrogen. Carbon monoxide (CO) is a product of incomplete combustion. Carbon dioxide (CO2) is produced from the combustion of carbon-based fuels (like coal or coke) and also from chemical reactions involved in steel production (e.g., reduction of iron oxides). 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