{"id":286,"date":"2012-12-20T03:08:27","date_gmt":"2012-12-20T00:08:27","guid":{"rendered":"http:\/\/dorjegurung.com\/sciblog\/?page_id=286"},"modified":"2026-03-12T18:31:50","modified_gmt":"2026-03-12T18:31:50","slug":"dp2-magical-beakers","status":"publish","type":"page","link":"https:\/\/www.dorjegurung.com\/sciblog\/dp-chemistry\/dp2\/dp2-magical-beakers\/","title":{"rendered":"DP2 Magical Beakers"},"content":{"rendered":"\n<p>Six beakers are arranged in a row. The first and the last beakers have some colored liquid in them. The contents of the first beaker are transferred to beaker 2 and then from beaker 2 to 3 &nbsp;and so on leaving a little bit behind each time. And then, when beaker 6 is reached the contents are transferred in reverse one after another just as before. Watch the video for the results.<\/p>\n\n\n\n<p><iframe title=\"TISA M5B 2009-10 Magical Beakers\" width=\"1200\" height=\"900\" src=\"https:\/\/www.youtube.com\/embed\/GhXZDX0Ul_4?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>\n\n\n\n<p>And the questions are:&nbsp;Why did the color of the liquid change as it did when it was being transfer from 1 to 2 and down the line? Additional challenging question: Why didn&#8217;t the color change when the same procedure was carried out in reverse?<\/p>\n\n\n\n<p>Concepts involved:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>acid, base, universal indicator soution, color, acidity, alkalinity, neutrality, pH, dilute\/dilution, concentration.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Six beakers are arranged in a row. The first and the last beakers have some colored liquid in them. The contents of the first beaker are transferred to beaker 2 and then from beaker 2 to 3 &nbsp;and so on leaving a little bit behind each time. And then, when beaker 6 is reached the [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":1301,"parent":715,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"jetpack_post_was_ever_published":false,"footnotes":""},"class_list":["post-286","page","type-page","status-publish","has-post-thumbnail","hentry"],"blocksy_meta":[],"jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/P2Y7Kk-4C","_links":{"self":[{"href":"https:\/\/www.dorjegurung.com\/sciblog\/wp-json\/wp\/v2\/pages\/286","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dorjegurung.com\/sciblog\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.dorjegurung.com\/sciblog\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.dorjegurung.com\/sciblog\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dorjegurung.com\/sciblog\/wp-json\/wp\/v2\/comments?post=286"}],"version-history":[{"count":1,"href":"https:\/\/www.dorjegurung.com\/sciblog\/wp-json\/wp\/v2\/pages\/286\/revisions"}],"predecessor-version":[{"id":4209,"href":"https:\/\/www.dorjegurung.com\/sciblog\/wp-json\/wp\/v2\/pages\/286\/revisions\/4209"}],"up":[{"embeddable":true,"href":"https:\/\/www.dorjegurung.com\/sciblog\/wp-json\/wp\/v2\/pages\/715"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.dorjegurung.com\/sciblog\/wp-json\/wp\/v2\/media\/1301"}],"wp:attachment":[{"href":"https:\/\/www.dorjegurung.com\/sciblog\/wp-json\/wp\/v2\/media?parent=286"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}