{"id":85578,"date":"2025-06-01T03:21:57","date_gmt":"2025-06-01T03:21:57","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=85578"},"modified":"2025-06-01T03:21:57","modified_gmt":"2025-06-01T03:21:57","slug":"in-paper-manufacturing-degumming-of-the-raw-material-is-done-using","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/in-paper-manufacturing-degumming-of-the-raw-material-is-done-using\/","title":{"rendered":"In paper manufacturing, degumming of the raw material is done using"},"content":{"rendered":"

In paper manufacturing, degumming of the raw material is done using<\/p>\n

[amp_mcq option1=”sulphuric acid” option2=”bleaching powder” option3=”caustic soda” option4=”nitric acid” correct=”option3″]<\/p>\n

\n
\n
This question was previously asked in<\/div>\n
UPSC CDS-2 – 2016<\/div>\n<\/div>\n
Download PDF<\/a>Attempt Online<\/a><\/div>\n<\/div>\n
\nIn paper manufacturing, the raw material (typically wood or plant fibres) contains not just cellulose but also lignin, hemicellulose, waxes, and other substances. “Degumming” is a process aimed at removing or breaking down unwanted non-cellulose components to obtain clean fibres suitable for papermaking. Alkaline solutions, such as caustic soda (sodium hydroxide, NaOH), are widely used in various pulping processes (like the Kraft process) to break down lignin and extract other materials, including some gummy substances or waxes, from the cellulose fibres.
\n<\/section>\n
\nCaustic soda is a strong alkali used in the pulping process to dissolve lignin and other impurities, separating the cellulose fibres. This process effectively “degums” or cleans the fibres before they are processed into paper. Bleaching powder is used for whitening the pulp after pulping. Sulphuric acid and nitric acid are strong acids with different applications (e.g., in chemical processing or nitration) and are not typically the primary agents for degumming in standard paper pulping, although acidic processes (like the sulfite process) exist, they target lignin and hemicellulose differently than the general removal of gummy substances often associated with alkaline treatments or specific fibre degumming steps.
\n<\/section>\n
\nPulping processes, whether alkaline (like Kraft) or acidic (like Sulfite), aim to liberate cellulose fibers by removing lignin and other matrix components. While the term “degumming” is sometimes specifically used for fibres like cotton or hemp, the underlying chemical principle of using alkalis to remove impurities containing waxes, pectins, etc., is relevant to how caustic soda functions in cleaning paper pulp fibres.
\n<\/section>\n","protected":false},"excerpt":{"rendered":"

In paper manufacturing, degumming of the raw material is done using [amp_mcq option1=”sulphuric acid” option2=”bleaching powder” option3=”caustic soda” option4=”nitric acid” correct=”option3″] This question was previously asked in UPSC CDS-2 – 2016 Download PDFAttempt Online In paper manufacturing, the raw material (typically wood or plant fibres) contains not just cellulose but also lignin, hemicellulose, waxes, and … <\/p>\n

Detailed SolutionIn paper manufacturing, degumming of the raw material is done using<\/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":[1088],"tags":[1098,1096,1239],"class_list":["post-85578","post","type-post","status-publish","format-standard","hentry","category-upsc-cds-2","tag-1098","tag-chemistry","tag-inorganic-chemistry","no-featured-image-padding"],"yoast_head":"\nIn paper manufacturing, degumming of the raw material is done using<\/title>\n<meta name=\"description\" content=\"In paper manufacturing, the raw material (typically wood or plant fibres) contains not just cellulose but also lignin, hemicellulose, waxes, and other substances. "Degumming" is a process aimed at removing or breaking down unwanted non-cellulose components to obtain clean fibres suitable for papermaking. Alkaline solutions, such as caustic soda (sodium hydroxide, NaOH), are widely used in various pulping processes (like the Kraft process) to break down lignin and extract other materials, including some gummy substances or waxes, from the cellulose fibres. Caustic soda is a strong alkali used in the pulping process to dissolve lignin and other impurities, separating the cellulose fibres. This process effectively "degums" or cleans the fibres before they are processed into paper. Bleaching powder is used for whitening the pulp after pulping. Sulphuric acid and nitric acid are strong acids with different applications (e.g., in chemical processing or nitration) and are not typically the primary agents for degumming in standard paper pulping, although acidic processes (like the sulfite process) exist, they target lignin and hemicellulose differently than the general removal of gummy substances often associated with alkaline treatments or specific fibre degumming steps.\" \/>\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\/in-paper-manufacturing-degumming-of-the-raw-material-is-done-using\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"In paper manufacturing, degumming of the raw material is done using\" \/>\n<meta property=\"og:description\" content=\"In paper manufacturing, the raw material (typically wood or plant fibres) contains not just cellulose but also lignin, hemicellulose, waxes, and other substances. "Degumming" is a process aimed at removing or breaking down unwanted non-cellulose components to obtain clean fibres suitable for papermaking. Alkaline solutions, such as caustic soda (sodium hydroxide, NaOH), are widely used in various pulping processes (like the Kraft process) to break down lignin and extract other materials, including some gummy substances or waxes, from the cellulose fibres. Caustic soda is a strong alkali used in the pulping process to dissolve lignin and other impurities, separating the cellulose fibres. This process effectively "degums" or cleans the fibres before they are processed into paper. Bleaching powder is used for whitening the pulp after pulping. Sulphuric acid and nitric acid are strong acids with different applications (e.g., in chemical processing or nitration) and are not typically the primary agents for degumming in standard paper pulping, although acidic processes (like the sulfite process) exist, they target lignin and hemicellulose differently than the general removal of gummy substances often associated with alkaline treatments or specific fibre degumming steps.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/in-paper-manufacturing-degumming-of-the-raw-material-is-done-using\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T03:21:57+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":"In paper manufacturing, degumming of the raw material is done using","description":"In paper manufacturing, the raw material (typically wood or plant fibres) contains not just cellulose but also lignin, hemicellulose, waxes, and other substances. \"Degumming\" is a process aimed at removing or breaking down unwanted non-cellulose components to obtain clean fibres suitable for papermaking. Alkaline solutions, such as caustic soda (sodium hydroxide, NaOH), are widely used in various pulping processes (like the Kraft process) to break down lignin and extract other materials, including some gummy substances or waxes, from the cellulose fibres. Caustic soda is a strong alkali used in the pulping process to dissolve lignin and other impurities, separating the cellulose fibres. This process effectively \"degums\" or cleans the fibres before they are processed into paper. Bleaching powder is used for whitening the pulp after pulping. Sulphuric acid and nitric acid are strong acids with different applications (e.g., in chemical processing or nitration) and are not typically the primary agents for degumming in standard paper pulping, although acidic processes (like the sulfite process) exist, they target lignin and hemicellulose differently than the general removal of gummy substances often associated with alkaline treatments or specific fibre degumming steps.","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\/in-paper-manufacturing-degumming-of-the-raw-material-is-done-using\/","og_locale":"en_US","og_type":"article","og_title":"In paper manufacturing, degumming of the raw material is done using","og_description":"In paper manufacturing, the raw material (typically wood or plant fibres) contains not just cellulose but also lignin, hemicellulose, waxes, and other substances. \"Degumming\" is a process aimed at removing or breaking down unwanted non-cellulose components to obtain clean fibres suitable for papermaking. Alkaline solutions, such as caustic soda (sodium hydroxide, NaOH), are widely used in various pulping processes (like the Kraft process) to break down lignin and extract other materials, including some gummy substances or waxes, from the cellulose fibres. Caustic soda is a strong alkali used in the pulping process to dissolve lignin and other impurities, separating the cellulose fibres. This process effectively \"degums\" or cleans the fibres before they are processed into paper. Bleaching powder is used for whitening the pulp after pulping. Sulphuric acid and nitric acid are strong acids with different applications (e.g., in chemical processing or nitration) and are not typically the primary agents for degumming in standard paper pulping, although acidic processes (like the sulfite process) exist, they target lignin and hemicellulose differently than the general removal of gummy substances often associated with alkaline treatments or specific fibre degumming steps.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/in-paper-manufacturing-degumming-of-the-raw-material-is-done-using\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T03:21:57+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\/in-paper-manufacturing-degumming-of-the-raw-material-is-done-using\/","url":"https:\/\/exam.pscnotes.com\/mcq\/in-paper-manufacturing-degumming-of-the-raw-material-is-done-using\/","name":"In paper manufacturing, degumming of the raw material is done using","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T03:21:57+00:00","dateModified":"2025-06-01T03:21:57+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"In paper manufacturing, the raw material (typically wood or plant fibres) contains not just cellulose but also lignin, hemicellulose, waxes, and other substances. \"Degumming\" is a process aimed at removing or breaking down unwanted non-cellulose components to obtain clean fibres suitable for papermaking. Alkaline solutions, such as caustic soda (sodium hydroxide, NaOH), are widely used in various pulping processes (like the Kraft process) to break down lignin and extract other materials, including some gummy substances or waxes, from the cellulose fibres. Caustic soda is a strong alkali used in the pulping process to dissolve lignin and other impurities, separating the cellulose fibres. This process effectively \"degums\" or cleans the fibres before they are processed into paper. Bleaching powder is used for whitening the pulp after pulping. Sulphuric acid and nitric acid are strong acids with different applications (e.g., in chemical processing or nitration) and are not typically the primary agents for degumming in standard paper pulping, although acidic processes (like the sulfite process) exist, they target lignin and hemicellulose differently than the general removal of gummy substances often associated with alkaline treatments or specific fibre degumming steps.","breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/in-paper-manufacturing-degumming-of-the-raw-material-is-done-using\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/in-paper-manufacturing-degumming-of-the-raw-material-is-done-using\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/in-paper-manufacturing-degumming-of-the-raw-material-is-done-using\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/exam.pscnotes.com\/mcq\/"},{"@type":"ListItem","position":2,"name":"UPSC CDS-2","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/upsc-cds-2\/"},{"@type":"ListItem","position":3,"name":"In paper manufacturing, degumming of the raw material is done using"}]},{"@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\/85578","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=85578"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/85578\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=85578"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=85578"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=85578"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}