{"id":209480,"date":"2025-04-29T06:46:51","date_gmt":"2025-04-29T06:46:51","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=209480"},"modified":"2025-04-29T06:46:52","modified_gmt":"2025-04-29T06:46:52","slug":"gallium-has-a-melting-point-of-30-c-and-boiling-point-of-2403-c","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/04\/29\/gallium-has-a-melting-point-of-30-c-and-boiling-point-of-2403-c\/","title":{"rendered":"Gallium has a melting point of 30 \u00b0C and boiling point of 2403 \u00b0C"},"content":{"rendered":"\n<p>Gallium has a melting point of 30 \u00b0C and boiling point of 2403 \u00b0C. At which temperature below will gallium be a gas?<\/p>\n\n\n\n<p>A) -25 \u00b0C<\/p>\n\n\n\n<p>B) 25 \u00b0C<\/p>\n\n\n\n<p>C) 250 \u00b0C<\/p>\n\n\n\n<p>D) 2500 \u00b0C<\/p>\n\n\n\n<p><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-6-color\"><strong>The correct answer and explanation is :<\/strong><\/mark><\/p>\n\n\n\n<p>The correct answer is <strong>D) 2500 \u00b0C<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Explanation:<\/h3>\n\n\n\n<p>To understand the behavior of gallium and determine the temperature at which it will be a gas, we need to consider its melting and boiling points.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Gallium has a <strong>melting point<\/strong> of <strong>30 \u00b0C<\/strong>, which means that at temperatures below 30 \u00b0C, gallium is in its solid form. At temperatures above 30 \u00b0C, it transitions from a solid to a liquid.<\/li>\n\n\n\n<li>Gallium has a <strong>boiling point<\/strong> of <strong>2403 \u00b0C<\/strong>, meaning that at temperatures higher than 2403 \u00b0C, gallium will transition from a liquid to a gas.<\/li>\n<\/ul>\n\n\n\n<p>The key concept here is understanding the phase changes of substances. A substance can exist in different phases (solid, liquid, gas) depending on the temperature:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Below the melting point, gallium will be a <strong>solid<\/strong>.<\/li>\n\n\n\n<li>Between the melting point (30 \u00b0C) and the boiling point (2403 \u00b0C), gallium will be in its <strong>liquid<\/strong> state.<\/li>\n\n\n\n<li>Above the boiling point (2403 \u00b0C), gallium will be a <strong>gas<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p>Given the choices:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>A) -25 \u00b0C<\/strong>: At this temperature, gallium is below its melting point and will be a solid.<\/li>\n\n\n\n<li><strong>B) 25 \u00b0C<\/strong>: This is still below the melting point of 30 \u00b0C, so gallium will be a solid.<\/li>\n\n\n\n<li><strong>C) 250 \u00b0C<\/strong>: This is above the melting point but still below the boiling point, so gallium will be in the <strong>liquid<\/strong> phase.<\/li>\n\n\n\n<li><strong>D) 2500 \u00b0C<\/strong>: This temperature is well above the boiling point of 2403 \u00b0C, so gallium will be in the <strong>gas<\/strong> phase.<\/li>\n<\/ul>\n\n\n\n<p>Thus, gallium will be a gas at <strong>2500 \u00b0C<\/strong>, which is above its boiling point of 2403 \u00b0C. Therefore, the correct answer is <strong>D) 2500 \u00b0C<\/strong>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Gallium has a melting point of 30 \u00b0C and boiling point of 2403 \u00b0C. At which temperature below will gallium be a gas? A) -25 \u00b0C B) 25 \u00b0C C) 250 \u00b0C D) 2500 \u00b0C The correct answer and explanation is : The correct answer is D) 2500 \u00b0C. Explanation: To understand the behavior of [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[25],"tags":[],"class_list":["post-209480","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/209480","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/comments?post=209480"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/209480\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=209480"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=209480"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=209480"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}