{"id":269,"date":"2012-12-20T02:42:57","date_gmt":"2012-12-19T23:42:57","guid":{"rendered":"http:\/\/dorjegurung.com\/sciblog\/?page_id=269"},"modified":"2026-03-12T18:31:51","modified_gmt":"2026-03-12T18:31:51","slug":"m5-magical-crystals","status":"publish","type":"page","link":"https:\/\/www.dorjegurung.com\/sciblog\/myp4-5-science\/m5-chemistry\/m5-magical-crystals\/","title":{"rendered":"M5 Magical Crystals"},"content":{"rendered":"\n<p class=\"has-text-align-center\"><strong><em>Background<\/em><\/strong><\/p>\n\n\n\n<p>In your studies of chemical reactions, you will have encountered ion-exchange reactions. Elsewhere, this particular type of reaction may be referred to as precipitation reaction or even double displacement reaction. Regardless, it involves a reaction between two soluble compounds to produce a precipitate (of an insoluble compound). A reaction between the reactants will depend on whether one of the products is insoluble. Solubility rules help determine if a given salt is soluble or not.<\/p>\n\n\n\n<p>Resources:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a title=\"M5 Acids, Bases &amp; Salts III: Salts\" href=\"https:\/\/www.dorjegurung.com\/chemistry\/MYP_Chemistry\/M5_Acids_Bases_&amp;_Salts_III_Salts_files\/frame.htm\">M5 Acids, Bases &amp; Salts III: Salts<\/a>: Detailed descriptions of what salts are and how they can be prepared, precipitation being one of them.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-center\"><strong><em>Discrepant Event<\/em><\/strong><\/p>\n\n\n\n<p>Two white crystalline salts are mixed and shaken vigorously in a canister. You&#8217;ll have to watch the video to see the rest.<\/p>\n\n\n\n<p><iframe title=\"IB1 2009 Magical Crystals\" width=\"1200\" height=\"900\" src=\"https:\/\/www.youtube.com\/embed\/yTVwyWwFilk?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 question is: What happened?<\/p>\n\n\n\n<p>Concepts involved:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"line-height: 16px\">ion-exchange reaction\/precipitation reaction\/double displacement reaction, solubility rules, soluble salts, insoluble salts.<\/span><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Background In your studies of chemical reactions, you will have encountered ion-exchange reactions. Elsewhere, this particular type of reaction may be referred to as precipitation reaction or even double displacement reaction. Regardless, it involves a reaction between two soluble compounds to produce a precipitate (of an insoluble compound). A reaction between the reactants will depend [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":1303,"parent":739,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"jetpack_post_was_ever_published":false,"footnotes":""},"class_list":["post-269","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-4l","_links":{"self":[{"href":"https:\/\/www.dorjegurung.com\/sciblog\/wp-json\/wp\/v2\/pages\/269","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=269"}],"version-history":[{"count":1,"href":"https:\/\/www.dorjegurung.com\/sciblog\/wp-json\/wp\/v2\/pages\/269\/revisions"}],"predecessor-version":[{"id":4211,"href":"https:\/\/www.dorjegurung.com\/sciblog\/wp-json\/wp\/v2\/pages\/269\/revisions\/4211"}],"up":[{"embeddable":true,"href":"https:\/\/www.dorjegurung.com\/sciblog\/wp-json\/wp\/v2\/pages\/739"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.dorjegurung.com\/sciblog\/wp-json\/wp\/v2\/media\/1303"}],"wp:attachment":[{"href":"https:\/\/www.dorjegurung.com\/sciblog\/wp-json\/wp\/v2\/media?parent=269"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}