{"id":88277,"date":"2025-06-01T07:06:58","date_gmt":"2025-06-01T07:06:58","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=88277"},"modified":"2025-06-01T07:06:58","modified_gmt":"2025-06-01T07:06:58","slug":"the-lpg-cooking-gas-contains-propane-and-butane-as-the-constituents-a","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/the-lpg-cooking-gas-contains-propane-and-butane-as-the-constituents-a\/","title":{"rendered":"The LPG cooking gas contains propane and butane as the constituents. A"},"content":{"rendered":"<p>The LPG cooking gas contains propane and butane as the constituents. A sulfur containing compound is added to the LPG, because<\/p>\n<p>[amp_mcq option1=&#8221;it lowers the cost of production&#8221; option2=&#8221;it enhances the efficiency of LPG&#8221; option3=&#8221;it facilitates easy detection of leakage of the gas&#8221; option4=&#8221;it assists in liquefying hydrocarbons&#8221; correct=&#8221;option3&#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 NDA-2 &#8211; 2016<\/div>\n<\/div>\n<div class=\"pyq-exam-psc-buttons\"><a href=\"\/pyq\/pyq-upsc-nda-2-2016.pdf\" target=\"_blank\" class=\"psc-pdf-button\" rel=\"noopener\">Download PDF<\/a><a href=\"\/pyq-upsc-nda-2-2016\" target=\"_blank\" class=\"psc-attempt-button\" rel=\"noopener\">Attempt Online<\/a><\/div>\n<\/div>\n<section id=\"pyq-correct-answer\">\nThe addition of a sulfur-containing compound to LPG cooking gas facilitates the easy detection of leakage.<br \/>\n<\/section>\n<section id=\"pyq-key-points\">\nLPG (Liquefied Petroleum Gas), which primarily consists of propane and butane, is naturally odorless. Leaked gas can accumulate and pose a significant fire and explosion hazard if not detected. To ensure safety, a strong-smelling substance, usually a volatile organic sulfur compound like ethyl mercaptan (ethanethiol), is added as an odorant. This allows even small leaks to be detected by smell, prompting corrective action before a dangerous concentration of gas builds up.<br \/>\n<\/section>\n<section id=\"pyq-additional-information\">\nThe amount of odorant added is very small, typically only a few parts per million, which is sufficient to make the gas detectable by the human nose at concentrations well below the flammability limit. The odorant does not affect the combustion properties or efficiency of the LPG.<br \/>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>The LPG cooking gas contains propane and butane as the constituents. A sulfur containing compound is added to the LPG, because [amp_mcq option1=&#8221;it lowers the cost of production&#8221; option2=&#8221;it enhances the efficiency of LPG&#8221; option3=&#8221;it facilitates easy detection of leakage of the gas&#8221; option4=&#8221;it assists in liquefying hydrocarbons&#8221; correct=&#8221;option3&#8243;] This question was previously asked in &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"The LPG cooking gas contains propane and butane as the constituents. A\" class=\"read-more button\" href=\"https:\/\/exam.pscnotes.com\/mcq\/the-lpg-cooking-gas-contains-propane-and-butane-as-the-constituents-a\/#more-88277\">Detailed Solution<span class=\"screen-reader-text\">The LPG cooking gas contains propane and butane as the constituents. A<\/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":[1094],"tags":[1098,1096,1377],"class_list":["post-88277","post","type-post","status-publish","format-standard","hentry","category-upsc-nda-2","tag-1098","tag-chemistry","tag-the-fuel","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>The LPG cooking gas contains propane and butane as the constituents. A<\/title>\n<meta name=\"description\" content=\"The addition of a sulfur-containing compound to LPG cooking gas facilitates the easy detection of leakage. LPG (Liquefied Petroleum Gas), which primarily consists of propane and butane, is naturally odorless. Leaked gas can accumulate and pose a significant fire and explosion hazard if not detected. To ensure safety, a strong-smelling substance, usually a volatile organic sulfur compound like ethyl mercaptan (ethanethiol), is added as an odorant. This allows even small leaks to be detected by smell, prompting corrective action before a dangerous concentration of gas builds up.\" \/>\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\/the-lpg-cooking-gas-contains-propane-and-butane-as-the-constituents-a\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The LPG cooking gas contains propane and butane as the constituents. A\" \/>\n<meta property=\"og:description\" content=\"The addition of a sulfur-containing compound to LPG cooking gas facilitates the easy detection of leakage. LPG (Liquefied Petroleum Gas), which primarily consists of propane and butane, is naturally odorless. Leaked gas can accumulate and pose a significant fire and explosion hazard if not detected. To ensure safety, a strong-smelling substance, usually a volatile organic sulfur compound like ethyl mercaptan (ethanethiol), is added as an odorant. This allows even small leaks to be detected by smell, prompting corrective action before a dangerous concentration of gas builds up.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/the-lpg-cooking-gas-contains-propane-and-butane-as-the-constituents-a\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T07:06:58+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":"The LPG cooking gas contains propane and butane as the constituents. A","description":"The addition of a sulfur-containing compound to LPG cooking gas facilitates the easy detection of leakage. LPG (Liquefied Petroleum Gas), which primarily consists of propane and butane, is naturally odorless. Leaked gas can accumulate and pose a significant fire and explosion hazard if not detected. To ensure safety, a strong-smelling substance, usually a volatile organic sulfur compound like ethyl mercaptan (ethanethiol), is added as an odorant. This allows even small leaks to be detected by smell, prompting corrective action before a dangerous concentration of gas builds up.","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\/the-lpg-cooking-gas-contains-propane-and-butane-as-the-constituents-a\/","og_locale":"en_US","og_type":"article","og_title":"The LPG cooking gas contains propane and butane as the constituents. A","og_description":"The addition of a sulfur-containing compound to LPG cooking gas facilitates the easy detection of leakage. LPG (Liquefied Petroleum Gas), which primarily consists of propane and butane, is naturally odorless. Leaked gas can accumulate and pose a significant fire and explosion hazard if not detected. To ensure safety, a strong-smelling substance, usually a volatile organic sulfur compound like ethyl mercaptan (ethanethiol), is added as an odorant. This allows even small leaks to be detected by smell, prompting corrective action before a dangerous concentration of gas builds up.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/the-lpg-cooking-gas-contains-propane-and-butane-as-the-constituents-a\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T07:06:58+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\/the-lpg-cooking-gas-contains-propane-and-butane-as-the-constituents-a\/","url":"https:\/\/exam.pscnotes.com\/mcq\/the-lpg-cooking-gas-contains-propane-and-butane-as-the-constituents-a\/","name":"The LPG cooking gas contains propane and butane as the constituents. A","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T07:06:58+00:00","dateModified":"2025-06-01T07:06:58+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"The addition of a sulfur-containing compound to LPG cooking gas facilitates the easy detection of leakage. LPG (Liquefied Petroleum Gas), which primarily consists of propane and butane, is naturally odorless. Leaked gas can accumulate and pose a significant fire and explosion hazard if not detected. To ensure safety, a strong-smelling substance, usually a volatile organic sulfur compound like ethyl mercaptan (ethanethiol), is added as an odorant. 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