{"id":92967,"date":"2025-06-01T11:37:45","date_gmt":"2025-06-01T11:37:45","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=92967"},"modified":"2025-06-01T11:37:45","modified_gmt":"2025-06-01T11:37:45","slug":"conversion-of-limestone-to-quick-lime-is-an-example-of","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/conversion-of-limestone-to-quick-lime-is-an-example-of\/","title":{"rendered":"Conversion of limestone to quick lime is an example of"},"content":{"rendered":"

Conversion of limestone to quick lime is an example of<\/p>\n

[amp_mcq option1=”decomposition reaction.” option2=”substitution reaction.” option3=”combination reaction.” option4=”double decomposition reaction.” correct=”option1″]<\/p>\n

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\n
This question was previously asked in<\/div>\n
UPSC CISF-AC-EXE – 2021<\/div>\n<\/div>\n
Download PDF<\/a>Attempt Online<\/a><\/div>\n<\/div>\n
\nLimestone is primarily calcium carbonate (CaCO\u2083). Quick lime is calcium oxide (CaO). The conversion of limestone to quick lime involves heating calcium carbonate to a high temperature, which causes it to break down into calcium oxide and carbon dioxide gas: CaCO\u2083 (s) \u2192 CaO (s) + CO\u2082 (g). This reaction where a single compound breaks down into two or more simpler substances is called a decomposition reaction.
\n<\/section>\n
\nDecomposition reaction: A single reactant breaks down into simpler products.
\nCombination reaction: Two or more reactants combine to form a single product.
\nSubstitution reaction: An atom or group is replaced by another atom or group.
\nDouble decomposition reaction: Two compounds exchange ions or groups to form two new compounds.
\n<\/section>\n
\nThis process, the thermal decomposition of calcium carbonate, is known as calcination or lime burning and is carried out in a kiln.
\n<\/section>\n","protected":false},"excerpt":{"rendered":"

Conversion of limestone to quick lime is an example of [amp_mcq option1=”decomposition reaction.” option2=”substitution reaction.” option3=”combination reaction.” option4=”double decomposition reaction.” correct=”option1″] This question was previously asked in UPSC CISF-AC-EXE – 2021 Download PDFAttempt Online Limestone is primarily calcium carbonate (CaCO\u2083). Quick lime is calcium oxide (CaO). The conversion of limestone to quick lime involves heating … <\/p>\n

Detailed SolutionConversion of limestone to quick lime is an example of<\/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":[1089],"tags":[1110,1096,1155],"class_list":["post-92967","post","type-post","status-publish","format-standard","hentry","category-upsc-cisf-ac-exe","tag-1110","tag-chemistry","tag-physical-and-chemical-changes-solution","no-featured-image-padding"],"yoast_head":"\nConversion of limestone to quick lime is an example of<\/title>\n<meta name=\"description\" content=\"Limestone is primarily calcium carbonate (CaCO\u2083). Quick lime is calcium oxide (CaO). The conversion of limestone to quick lime involves heating calcium carbonate to a high temperature, which causes it to break down into calcium oxide and carbon dioxide gas: CaCO\u2083 (s) \u2192 CaO (s) + CO\u2082 (g). This reaction where a single compound breaks down into two or more simpler substances is called a decomposition reaction. Decomposition reaction: A single reactant breaks down into simpler products. Combination reaction: Two or more reactants combine to form a single product. Substitution reaction: An atom or group is replaced by another atom or group. Double decomposition reaction: Two compounds exchange ions or groups to form two new compounds.\" \/>\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\/conversion-of-limestone-to-quick-lime-is-an-example-of\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Conversion of limestone to quick lime is an example of\" \/>\n<meta property=\"og:description\" content=\"Limestone is primarily calcium carbonate (CaCO\u2083). Quick lime is calcium oxide (CaO). The conversion of limestone to quick lime involves heating calcium carbonate to a high temperature, which causes it to break down into calcium oxide and carbon dioxide gas: CaCO\u2083 (s) \u2192 CaO (s) + CO\u2082 (g). This reaction where a single compound breaks down into two or more simpler substances is called a decomposition reaction. Decomposition reaction: A single reactant breaks down into simpler products. Combination reaction: Two or more reactants combine to form a single product. Substitution reaction: An atom or group is replaced by another atom or group. Double decomposition reaction: Two compounds exchange ions or groups to form two new compounds.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/conversion-of-limestone-to-quick-lime-is-an-example-of\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T11:37:45+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":"Conversion of limestone to quick lime is an example of","description":"Limestone is primarily calcium carbonate (CaCO\u2083). Quick lime is calcium oxide (CaO). 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Decomposition reaction: A single reactant breaks down into simpler products. Combination reaction: Two or more reactants combine to form a single product. Substitution reaction: An atom or group is replaced by another atom or group. Double decomposition reaction: Two compounds exchange ions or groups to form two new compounds.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/conversion-of-limestone-to-quick-lime-is-an-example-of\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T11:37:45+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\/conversion-of-limestone-to-quick-lime-is-an-example-of\/","url":"https:\/\/exam.pscnotes.com\/mcq\/conversion-of-limestone-to-quick-lime-is-an-example-of\/","name":"Conversion of limestone to quick lime is an example of","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T11:37:45+00:00","dateModified":"2025-06-01T11:37:45+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"Limestone is primarily calcium carbonate (CaCO\u2083). 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