{"id":137461,"date":"2024-09-12T18:26:31","date_gmt":"2024-09-12T18:26:31","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=137461"},"modified":"2024-09-12T18:26:33","modified_gmt":"2024-09-12T18:26:33","slug":"which-of-these-numbers-best-represents-an-alkaline-solution","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2024\/09\/12\/which-of-these-numbers-best-represents-an-alkaline-solution\/","title":{"rendered":"Which of these numbers best represents an alkaline solution"},"content":{"rendered":"\n<p>Which of these numbers best represents an alkaline solution?<\/p>\n\n\n\n<p>A.<br>1<\/p>\n\n\n\n<p>B.<br>6<\/p>\n\n\n\n<p>C.<br>7<\/p>\n\n\n\n<p>D.<br>12<\/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 number that best represents an alkaline solution is <strong>D. 12<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Explanation:<\/h3>\n\n\n\n<p>The pH scale measures how acidic or alkaline a solution is, ranging from 0 to 14. This scale is logarithmic, meaning each whole number change represents a tenfold change in hydrogen ion concentration.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Acidic Solutions:<\/strong> pH values less than 7 indicate acidic solutions. For example, lemon juice and vinegar typically have pH values around 2-3. The lower the pH value, the higher the concentration of hydrogen ions, making the solution more acidic.<\/li>\n\n\n\n<li><strong>Neutral Solution:<\/strong> A pH of 7 is considered neutral. Pure water at 25\u00b0C (77\u00b0F) has a pH of 7, meaning it has an equal concentration of hydrogen ions and hydroxide ions. Neutral solutions are neither acidic nor alkaline.<\/li>\n\n\n\n<li><strong>Alkaline Solutions:<\/strong> pH values greater than 7 indicate alkaline (or basic) solutions. These solutions have a lower concentration of hydrogen ions and a higher concentration of hydroxide ions. For instance, household ammonia and baking soda solutions typically have pH values around 9-10.<\/li>\n<\/ol>\n\n\n\n<p>In this context, <strong>pH 12<\/strong> is an alkaline solution. This high pH value signifies a strong base, indicating a significant excess of hydroxide ions compared to hydrogen ions. Examples of substances with a pH around 12 include certain cleaning agents like bleach or lime solutions.<\/p>\n\n\n\n<p>To summarize, on the pH scale, values above 7 indicate alkalinity. Given the options, <strong>12<\/strong> is the highest and thus best represents an alkaline solution.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Which of these numbers best represents an alkaline solution? A.1 B.6 C.7 D.12 The correct answer and Explanation is : The number that best represents an alkaline solution is D. 12. Explanation: The pH scale measures how acidic or alkaline a solution is, ranging from 0 to 14. This scale is logarithmic, meaning each whole [&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-137461","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/137461","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=137461"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/137461\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=137461"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=137461"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=137461"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}