{"id":88363,"date":"2025-06-01T07:08:47","date_gmt":"2025-06-01T07:08:47","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=88363"},"modified":"2025-06-01T07:08:47","modified_gmt":"2025-06-01T07:08:47","slug":"the-proposition-equal-volumes-of-different-gases-contain-equal-number","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/the-proposition-equal-volumes-of-different-gases-contain-equal-number\/","title":{"rendered":"The proposition ‘equal volumes of different gases contain equal number"},"content":{"rendered":"

The proposition ‘equal volumes of different gases contain equal numbers of molecules at the same temperature and pressure’ is known as<\/p>\n

[amp_mcq option1=”Avogadro’s hypothesis” option2=”Gay-Lussac’s hypothesis” option3=”Planck’s hypothesis” option4=”Kirchhoff’s theory” correct=”option1″]<\/p>\n

\n
\n
This question was previously asked in<\/div>\n
UPSC NDA-2 – 2017<\/div>\n<\/div>\n
Download PDF<\/a>Attempt Online<\/a><\/div>\n<\/div>\n
\nThe proposition that ‘equal volumes of different gases contain equal numbers of molecules at the same temperature and pressure’ is a fundamental principle in chemistry and physics of gases.
\n<\/section>\n
\nThis statement is known as Avogadro’s hypothesis (or Avogadro’s Law). It was first proposed by Amedeo Avogadro in 1811. It directly relates the volume of a gas to the number of particles (molecules or atoms) it contains, under constant temperature and pressure conditions.
\n<\/section>\n
\nGay-Lussac’s Law of Combining Volumes states that when gases react, the volumes of the reactants and products, measured at the same temperature and pressure, bear a simple whole-number ratio to one another. Planck’s hypothesis (specifically, Planck’s quantum hypothesis) states that energy can be emitted or absorbed only in discrete packets called quanta. Kirchhoff’s laws are important in electrical circuit analysis (Kirchhoff’s circuit laws) and thermal radiation (Kirchhoff’s law of thermal radiation).
\n<\/section>\n","protected":false},"excerpt":{"rendered":"

The proposition ‘equal volumes of different gases contain equal numbers of molecules at the same temperature and pressure’ is known as [amp_mcq option1=”Avogadro’s hypothesis” option2=”Gay-Lussac’s hypothesis” option3=”Planck’s hypothesis” option4=”Kirchhoff’s theory” correct=”option1″] This question was previously asked in UPSC NDA-2 – 2017 Download PDFAttempt Online The proposition that ‘equal volumes of different gases contain equal numbers … <\/p>\n

Detailed SolutionThe proposition ‘equal volumes of different gases contain equal number<\/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":[1101,1096,1155],"class_list":["post-88363","post","type-post","status-publish","format-standard","hentry","category-upsc-nda-2","tag-1101","tag-chemistry","tag-physical-and-chemical-changes-solution","no-featured-image-padding"],"yoast_head":"\nThe proposition 'equal volumes of different gases contain equal number<\/title>\n<meta name=\"description\" content=\"The proposition that 'equal volumes of different gases contain equal numbers of molecules at the same temperature and pressure' is a fundamental principle in chemistry and physics of gases. This statement is known as Avogadro's hypothesis (or Avogadro's Law). It was first proposed by Amedeo Avogadro in 1811. It directly relates the volume of a gas to the number of particles (molecules or atoms) it contains, under constant temperature and pressure conditions.\" \/>\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-proposition-equal-volumes-of-different-gases-contain-equal-number\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The proposition 'equal volumes of different gases contain equal number\" \/>\n<meta property=\"og:description\" content=\"The proposition that 'equal volumes of different gases contain equal numbers of molecules at the same temperature and pressure' is a fundamental principle in chemistry and physics of gases. This statement is known as Avogadro's hypothesis (or Avogadro's Law). It was first proposed by Amedeo Avogadro in 1811. It directly relates the volume of a gas to the number of particles (molecules or atoms) it contains, under constant temperature and pressure conditions.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/the-proposition-equal-volumes-of-different-gases-contain-equal-number\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T07:08:47+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 proposition 'equal volumes of different gases contain equal number","description":"The proposition that 'equal volumes of different gases contain equal numbers of molecules at the same temperature and pressure' is a fundamental principle in chemistry and physics of gases. This statement is known as Avogadro's hypothesis (or Avogadro's Law). It was first proposed by Amedeo Avogadro in 1811. It directly relates the volume of a gas to the number of particles (molecules or atoms) it contains, under constant temperature and pressure conditions.","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-proposition-equal-volumes-of-different-gases-contain-equal-number\/","og_locale":"en_US","og_type":"article","og_title":"The proposition 'equal volumes of different gases contain equal number","og_description":"The proposition that 'equal volumes of different gases contain equal numbers of molecules at the same temperature and pressure' is a fundamental principle in chemistry and physics of gases. This statement is known as Avogadro's hypothesis (or Avogadro's Law). It was first proposed by Amedeo Avogadro in 1811. It directly relates the volume of a gas to the number of particles (molecules or atoms) it contains, under constant temperature and pressure conditions.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/the-proposition-equal-volumes-of-different-gases-contain-equal-number\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T07:08:47+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-proposition-equal-volumes-of-different-gases-contain-equal-number\/","url":"https:\/\/exam.pscnotes.com\/mcq\/the-proposition-equal-volumes-of-different-gases-contain-equal-number\/","name":"The proposition 'equal volumes of different gases contain equal number","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T07:08:47+00:00","dateModified":"2025-06-01T07:08:47+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"The proposition that 'equal volumes of different gases contain equal numbers of molecules at the same temperature and pressure' is a fundamental principle in chemistry and physics of gases. This statement is known as Avogadro's hypothesis (or Avogadro's Law). It was first proposed by Amedeo Avogadro in 1811. It directly relates the volume of a gas to the number of particles (molecules or atoms) it contains, under constant temperature and pressure conditions.","breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/the-proposition-equal-volumes-of-different-gases-contain-equal-number\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/the-proposition-equal-volumes-of-different-gases-contain-equal-number\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/the-proposition-equal-volumes-of-different-gases-contain-equal-number\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/exam.pscnotes.com\/mcq\/"},{"@type":"ListItem","position":2,"name":"UPSC NDA-2","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/upsc-nda-2\/"},{"@type":"ListItem","position":3,"name":"The proposition ‘equal volumes of different gases contain equal number"}]},{"@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\/88363","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=88363"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/88363\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=88363"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=88363"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=88363"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}