{"id":86874,"date":"2025-06-01T04:22:25","date_gmt":"2025-06-01T04:22:25","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=86874"},"modified":"2025-06-01T04:22:25","modified_gmt":"2025-06-01T04:22:25","slug":"what-are-the-major-raw-materials-used-in-the-manufacture-of-cement","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/what-are-the-major-raw-materials-used-in-the-manufacture-of-cement\/","title":{"rendered":"What are the major raw materials used in the manufacture of cement?"},"content":{"rendered":"<p>What are the major raw materials used in the manufacture of cement?<\/p>\n<p>[amp_mcq option1=&#8221;Limestone and clay&#8221; option2=&#8221;Al<sub>2<\/sub>O<sub>3<\/sub> and limestone&#8221; option3=&#8221;Fe<sub>3<\/sub>O<sub>4<\/sub> and clay&#8221; option4=&#8221;Clay and MgO&#8221; correct=&#8221;option1&#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 Geoscientist &#8211; 2022<\/div>\n<\/div>\n<div class=\"pyq-exam-psc-buttons\"><a href=\"\/pyq\/pyq-upsc-geoscientist-2022.pdf\" target=\"_blank\" class=\"psc-pdf-button\" rel=\"noopener\">Download PDF<\/a><a href=\"\/pyq-upsc-geoscientist-2022\" target=\"_blank\" class=\"psc-attempt-button\" rel=\"noopener\">Attempt Online<\/a><\/div>\n<\/div>\n<section id=\"pyq-correct-answer\">The correct answer is Limestone and clay.<\/section>\n<section id=\"pyq-key-points\">Cement is manufactured by heating a mixture of calcareous materials (primarily calcium carbonate from limestone) and argillaceous materials (clay or shale containing silica, alumina, and iron oxide).<\/section>\n<section id=\"pyq-additional-information\">Limestone (providing CaO) and clay (providing SiO\u2082, Al\u2082O\u2083, Fe\u2082O\u2083) are the two main raw materials used in the production of Portland cement. They are mixed in specific proportions and heated in a kiln to produce cement clinker, which is then ground into the final product.<\/section>\n","protected":false},"excerpt":{"rendered":"<p>What are the major raw materials used in the manufacture of cement? [amp_mcq option1=&#8221;Limestone and clay&#8221; option2=&#8221;Al2O3 and limestone&#8221; option3=&#8221;Fe3O4 and clay&#8221; option4=&#8221;Clay and MgO&#8221; correct=&#8221;option1&#8243;] This question was previously asked in UPSC Geoscientist &#8211; 2022 Download PDFAttempt Online The correct answer is Limestone and clay. Cement is manufactured by heating a mixture of calcareous &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"What are the major raw materials used in the manufacture of cement?\" class=\"read-more button\" href=\"https:\/\/exam.pscnotes.com\/mcq\/what-are-the-major-raw-materials-used-in-the-manufacture-of-cement\/#more-86874\">Detailed Solution<span class=\"screen-reader-text\">What are the major raw materials used in the manufacture of cement?<\/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":[1091],"tags":[1108,1096,1239],"class_list":["post-86874","post","type-post","status-publish","format-standard","hentry","category-upsc-geoscientist","tag-1108","tag-chemistry","tag-inorganic-chemistry","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>What are the major raw materials used in the manufacture of cement?<\/title>\n<meta name=\"description\" content=\"The correct answer is Limestone and clay. Cement is manufactured by heating a mixture of calcareous materials (primarily calcium carbonate from limestone) and argillaceous materials (clay or shale containing silica, alumina, and iron oxide).\" \/>\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\/what-are-the-major-raw-materials-used-in-the-manufacture-of-cement\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What are the major raw materials used in the manufacture of cement?\" \/>\n<meta property=\"og:description\" content=\"The correct answer is Limestone and clay. Cement is manufactured by heating a mixture of calcareous materials (primarily calcium carbonate from limestone) and argillaceous materials (clay or shale containing silica, alumina, and iron oxide).\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/what-are-the-major-raw-materials-used-in-the-manufacture-of-cement\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T04:22:25+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":"What are the major raw materials used in the manufacture of cement?","description":"The correct answer is Limestone and clay. Cement is manufactured by heating a mixture of calcareous materials (primarily calcium carbonate from limestone) and argillaceous materials (clay or shale containing silica, alumina, and iron oxide).","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\/what-are-the-major-raw-materials-used-in-the-manufacture-of-cement\/","og_locale":"en_US","og_type":"article","og_title":"What are the major raw materials used in the manufacture of cement?","og_description":"The correct answer is Limestone and clay. Cement is manufactured by heating a mixture of calcareous materials (primarily calcium carbonate from limestone) and argillaceous materials (clay or shale containing silica, alumina, and iron oxide).","og_url":"https:\/\/exam.pscnotes.com\/mcq\/what-are-the-major-raw-materials-used-in-the-manufacture-of-cement\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T04:22:25+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\/what-are-the-major-raw-materials-used-in-the-manufacture-of-cement\/","url":"https:\/\/exam.pscnotes.com\/mcq\/what-are-the-major-raw-materials-used-in-the-manufacture-of-cement\/","name":"What are the major raw materials used in the manufacture of cement?","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T04:22:25+00:00","dateModified":"2025-06-01T04:22:25+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"The correct answer is Limestone and clay. Cement is manufactured by heating a mixture of calcareous materials (primarily calcium carbonate from limestone) and argillaceous materials (clay or shale containing silica, alumina, and iron oxide).","breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/what-are-the-major-raw-materials-used-in-the-manufacture-of-cement\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/what-are-the-major-raw-materials-used-in-the-manufacture-of-cement\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/what-are-the-major-raw-materials-used-in-the-manufacture-of-cement\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/exam.pscnotes.com\/mcq\/"},{"@type":"ListItem","position":2,"name":"UPSC Geoscientist","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/upsc-geoscientist\/"},{"@type":"ListItem","position":3,"name":"What are the major raw materials used in the manufacture of cement?"}]},{"@type":"WebSite","@id":"https:\/\/exam.pscnotes.com\/mcq\/#website","url":"https:\/\/exam.pscnotes.com\/mcq\/","name":"MCQ and Quiz for Exams","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/exam.pscnotes.com\/mcq\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209","name":"rawan239","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/761a7274f9cce048fa5b921221e7934820d74514df93ef195a9d22af0c1c9001?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/761a7274f9cce048fa5b921221e7934820d74514df93ef195a9d22af0c1c9001?s=96&d=mm&r=g","caption":"rawan239"},"sameAs":["https:\/\/exam.pscnotes.com"],"url":"https:\/\/exam.pscnotes.com\/mcq\/author\/rawan239\/"}]}},"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/86874","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/comments?post=86874"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/86874\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=86874"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=86874"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=86874"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}