{"id":90716,"date":"2025-06-01T10:35:11","date_gmt":"2025-06-01T10:35:11","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=90716"},"modified":"2025-06-01T10:35:11","modified_gmt":"2025-06-01T10:35:11","slug":"borax-is-prepared-from","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/borax-is-prepared-from\/","title":{"rendered":"Borax is prepared from"},"content":{"rendered":"

Borax is prepared from<\/p>\n

[amp_mcq option1=”calcium carbonate” option2=”magnesium carbonate” option3=”potassium carbonate” option4=”sodium carbonate” correct=”option4″]<\/p>\n

\n
\n
This question was previously asked in<\/div>\n
UPSC CAPF – 2022<\/div>\n<\/div>\n
Download PDF<\/a>Attempt Online<\/a><\/div>\n<\/div>\n
\nBorax is sodium tetraborate decahydrate ($\\text{Na}_2\\text{B}_4\\text{O}_7\\cdot10\\text{H}_2\\text{O}$). It is a compound of sodium and boron. While industrially it is often extracted from naturally occurring borate minerals like kernite or colemanite, it can also be synthesized. One method of synthesizing borax in the lab involves reacting boric acid ($\\text{H}_3\\text{BO}_3$) with a sodium compound. Among the given options, sodium carbonate ($\\text{Na}_2\\text{CO}_3$) is a common reactant used in the preparation of borax from boric acid. The reaction is:
\n$4\\text{H}_3\\text{BO}_3 + \\text{Na}_2\\text{CO}_3 \\rightarrow \\text{Na}_2\\text{B}_4\\text{O}_7 + 6\\text{H}_2\\text{O} + \\text{CO}_2$
\nThis yields anhydrous sodium tetraborate, which can then be hydrated to form borax. Given the options, sodium carbonate is the most suitable precursor listed for the preparation of borax.
\n<\/section>\n
\n– Borax is a sodium borate compound.
\n– Its preparation often involves a sodium source and a boron source.
\n– Sodium carbonate is a common sodium source used in synthesizing borax from boric acid.
\n<\/section>\n
\nOther sodium compounds like sodium hydroxide ($\\text{NaOH}$) can also be used to react with boric acid to produce borax, but $\\text{Na}_2\\text{CO}_3$ is explicitly listed as an option. Borax is an important boron compound used in various applications, including detergents, cosmetics, and as a flux in metallurgy.
\n<\/section>\n","protected":false},"excerpt":{"rendered":"

Borax is prepared from [amp_mcq option1=”calcium carbonate” option2=”magnesium carbonate” option3=”potassium carbonate” option4=”sodium carbonate” correct=”option4″] This question was previously asked in UPSC CAPF – 2022 Download PDFAttempt Online Borax is sodium tetraborate decahydrate ($\\text{Na}_2\\text{B}_4\\text{O}_7\\cdot10\\text{H}_2\\text{O}$). It is a compound of sodium and boron. While industrially it is often extracted from naturally occurring borate minerals like kernite or … <\/p>\n

Detailed SolutionBorax is prepared from<\/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":[1085],"tags":[1108,1096,1239],"class_list":["post-90716","post","type-post","status-publish","format-standard","hentry","category-upsc-capf","tag-1108","tag-chemistry","tag-inorganic-chemistry","no-featured-image-padding"],"yoast_head":"\nBorax is prepared from<\/title>\n<meta name=\"description\" content=\"Borax is sodium tetraborate decahydrate ($text{Na}_2text{B}_4text{O}_7cdot10text{H}_2text{O}$). It is a compound of sodium and boron. While industrially it is often extracted from naturally occurring borate minerals like kernite or colemanite, it can also be synthesized. One method of synthesizing borax in the lab involves reacting boric acid ($text{H}_3text{BO}_3$) with a sodium compound. Among the given options, sodium carbonate ($text{Na}_2text{CO}_3$) is a common reactant used in the preparation of borax from boric acid. The reaction is: $4text{H}_3text{BO}_3 + text{Na}_2text{CO}_3 rightarrow text{Na}_2text{B}_4text{O}_7 + 6text{H}_2text{O} + text{CO}_2$ This yields anhydrous sodium tetraborate, which can then be hydrated to form borax. Given the options, sodium carbonate is the most suitable precursor listed for the preparation of borax. - Borax is a sodium borate compound. - Its preparation often involves a sodium source and a boron source. - Sodium carbonate is a common sodium source used in synthesizing borax from boric acid.\" \/>\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\/borax-is-prepared-from\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Borax is prepared from\" \/>\n<meta property=\"og:description\" content=\"Borax is sodium tetraborate decahydrate ($text{Na}_2text{B}_4text{O}_7cdot10text{H}_2text{O}$). It is a compound of sodium and boron. While industrially it is often extracted from naturally occurring borate minerals like kernite or colemanite, it can also be synthesized. One method of synthesizing borax in the lab involves reacting boric acid ($text{H}_3text{BO}_3$) with a sodium compound. Among the given options, sodium carbonate ($text{Na}_2text{CO}_3$) is a common reactant used in the preparation of borax from boric acid. The reaction is: $4text{H}_3text{BO}_3 + text{Na}_2text{CO}_3 rightarrow text{Na}_2text{B}_4text{O}_7 + 6text{H}_2text{O} + text{CO}_2$ This yields anhydrous sodium tetraborate, which can then be hydrated to form borax. Given the options, sodium carbonate is the most suitable precursor listed for the preparation of borax. - Borax is a sodium borate compound. - Its preparation often involves a sodium source and a boron source. - Sodium carbonate is a common sodium source used in synthesizing borax from boric acid.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/borax-is-prepared-from\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T10:35:11+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":"Borax is prepared from","description":"Borax is sodium tetraborate decahydrate ($text{Na}_2text{B}_4text{O}_7cdot10text{H}_2text{O}$). It is a compound of sodium and boron. While industrially it is often extracted from naturally occurring borate minerals like kernite or colemanite, it can also be synthesized. One method of synthesizing borax in the lab involves reacting boric acid ($text{H}_3text{BO}_3$) with a sodium compound. Among the given options, sodium carbonate ($text{Na}_2text{CO}_3$) is a common reactant used in the preparation of borax from boric acid. The reaction is: $4text{H}_3text{BO}_3 + text{Na}_2text{CO}_3 rightarrow text{Na}_2text{B}_4text{O}_7 + 6text{H}_2text{O} + text{CO}_2$ This yields anhydrous sodium tetraborate, which can then be hydrated to form borax. Given the options, sodium carbonate is the most suitable precursor listed for the preparation of borax. - Borax is a sodium borate compound. - Its preparation often involves a sodium source and a boron source. - Sodium carbonate is a common sodium source used in synthesizing borax from boric acid.","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\/borax-is-prepared-from\/","og_locale":"en_US","og_type":"article","og_title":"Borax is prepared from","og_description":"Borax is sodium tetraborate decahydrate ($text{Na}_2text{B}_4text{O}_7cdot10text{H}_2text{O}$). It is a compound of sodium and boron. While industrially it is often extracted from naturally occurring borate minerals like kernite or colemanite, it can also be synthesized. One method of synthesizing borax in the lab involves reacting boric acid ($text{H}_3text{BO}_3$) with a sodium compound. Among the given options, sodium carbonate ($text{Na}_2text{CO}_3$) is a common reactant used in the preparation of borax from boric acid. The reaction is: $4text{H}_3text{BO}_3 + text{Na}_2text{CO}_3 rightarrow text{Na}_2text{B}_4text{O}_7 + 6text{H}_2text{O} + text{CO}_2$ This yields anhydrous sodium tetraborate, which can then be hydrated to form borax. Given the options, sodium carbonate is the most suitable precursor listed for the preparation of borax. - Borax is a sodium borate compound. - Its preparation often involves a sodium source and a boron source. - Sodium carbonate is a common sodium source used in synthesizing borax from boric acid.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/borax-is-prepared-from\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T10:35:11+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\/borax-is-prepared-from\/","url":"https:\/\/exam.pscnotes.com\/mcq\/borax-is-prepared-from\/","name":"Borax is prepared from","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T10:35:11+00:00","dateModified":"2025-06-01T10:35:11+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"Borax is sodium tetraborate decahydrate ($\\text{Na}_2\\text{B}_4\\text{O}_7\\cdot10\\text{H}_2\\text{O}$). It is a compound of sodium and boron. While industrially it is often extracted from naturally occurring borate minerals like kernite or colemanite, it can also be synthesized. One method of synthesizing borax in the lab involves reacting boric acid ($\\text{H}_3\\text{BO}_3$) with a sodium compound. Among the given options, sodium carbonate ($\\text{Na}_2\\text{CO}_3$) is a common reactant used in the preparation of borax from boric acid. The reaction is: $4\\text{H}_3\\text{BO}_3 + \\text{Na}_2\\text{CO}_3 \\rightarrow \\text{Na}_2\\text{B}_4\\text{O}_7 + 6\\text{H}_2\\text{O} + \\text{CO}_2$ This yields anhydrous sodium tetraborate, which can then be hydrated to form borax. Given the options, sodium carbonate is the most suitable precursor listed for the preparation of borax. - Borax is a sodium borate compound. - Its preparation often involves a sodium source and a boron source. - Sodium carbonate is a common sodium source used in synthesizing borax from boric acid.","breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/borax-is-prepared-from\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/borax-is-prepared-from\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/borax-is-prepared-from\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/exam.pscnotes.com\/mcq\/"},{"@type":"ListItem","position":2,"name":"UPSC CAPF","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/upsc-capf\/"},{"@type":"ListItem","position":3,"name":"Borax is prepared from"}]},{"@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\/90716","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=90716"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/90716\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=90716"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=90716"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=90716"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}