{"id":3987,"date":"2023-01-09T10:45:21","date_gmt":"2023-01-09T10:45:21","guid":{"rendered":"https:\/\/8thclass.deltapublications.in\/?page_id=3987"},"modified":"2025-08-22T06:30:04","modified_gmt":"2025-08-22T06:30:04","slug":"s-14-b-chemical-effects-of-electric-current","status":"publish","type":"page","link":"https:\/\/8thclass.deltapublications.in\/index.php\/s-14-b-chemical-effects-of-electric-current\/","title":{"rendered":"s-14.b Chemical Effects Of Electric Current"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-text-align-center has-text-color\" style=\"color:#00056d;text-transform:uppercase\"><strong>Chemical Effects Of Electric Current<\/strong><\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<div style=\"position: relative; width: 100%; height: 0; padding-top: 56.2500%;\n padding-bottom: 0; box-shadow: 0 2px 8px 0 rgba(63,69,81,0.16); margin-top: 1.6em; margin-bottom: 0.9em; overflow: hidden;\n border-radius: 8px; will-change: transform;\">\n  <iframe loading=\"lazy\" style=\"position: absolute; width: 100%; height: 100%; top: 0; left: 0; border: none; padding: 0;margin: 0;\"\n    src=\"https:\/\/www.canva.com\/design\/DAF9rlRH8c4\/60w6kdToTCaukIu_nRMXSw\/watch?embed\" allowfullscreen=\"allowfullscreen\" allow=\"fullscreen\">\n  <\/iframe>\n<\/div>\n<a href=\"https:&#x2F;&#x2F;www.canva.com&#x2F;design&#x2F;DAF9rlRH8c4&#x2F;60w6kdToTCaukIu_nRMXSw&#x2F;watch?utm_content=DAF9rlRH8c4&amp;utm_campaign=designshare&amp;utm_medium=embeds&amp;utm_source=link\" target=\"_blank\" rel=\"noopener\">chemical effects of electric current<\/a> by Delta publications\n<\/div>\n<\/div>\n\n\n\n<p class=\"has-text-color has-link-color has-huge-font-size wp-elements-aae0d72b0df05b1a7d05750bd97517d2\" style=\"color:#74008b\"><strong>Key Notes :<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/10\/Untitled-design-53.png\" alt=\"\" class=\"wp-image-18061\" style=\"width:378px;height:auto\" srcset=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/10\/Untitled-design-53.png 500w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/10\/Untitled-design-53-300x300.png 300w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/10\/Untitled-design-53-150x150.png 150w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/10\/Untitled-design-53-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure><\/div>\n\n\n<h3 class=\"wp-block-heading has-text-color has-link-color has-large-font-size wp-elements-04a9784629df89d7b64a451b3c65a0a9\" style=\"color:#000060\"><strong>Electric Current and Chemical Reactions<\/strong>:<\/h3>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>When an electric current passes through a conducting solution, it can cause chemical changes. This process is known as the <em>chemical effect of electric current<\/em>.<\/li>\n\n\n\n<li>Chemical reactions that occur due to the electric current can result in the formation of new substances.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading has-text-color has-link-color has-large-font-size wp-elements-45154721df58a0b43a8e19a05d062a8b\" style=\"color:#000060\"><strong>Electrolytes<\/strong>:<\/h3>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Substances that allow an electric current to pass through them when dissolved in water or in a molten state are called electrolytes.<\/li>\n\n\n\n<li>Electrolytes include acids, bases, and salts, which dissociate into ions in solution.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading has-text-color has-link-color has-large-font-size wp-elements-8f4edac3caa307da668fae3d839137a5\" style=\"color:#000060\"><strong>Electrolysis<\/strong>:<\/h3>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>The process by which electric current causes a chemical reaction in a liquid is called <em>electrolysis<\/em>.<\/li>\n\n\n\n<li>During electrolysis, positive ions (cations) move toward the negative electrode (cathode), and negative ions (anions) move toward the positive electrode (anode).<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading has-text-color has-link-color has-large-font-size wp-elements-d9955cb7ab8fc3ae5d73c565e36077da\" style=\"color:#000060\"><strong>Electrodes<\/strong>:<\/h3>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Electrolysis requires two electrodes: an anode (positive electrode) and a cathode (negative electrode).<\/li>\n\n\n\n<li>Electrodes are usually made of conducting materials like metals or graphite.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading has-text-color has-link-color has-large-font-size wp-elements-7c25e3dd6cc2ed86f8bdc1848ad408cd\" style=\"color:#000060\"><strong>Electroplating<\/strong>:<\/h3>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Electroplating is a process that uses the chemical effects of electric current to deposit a layer of one metal onto another.<\/li>\n\n\n\n<li>It is used to coat objects with metals like gold, silver, or chromium to prevent corrosion and enhance appearance.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading has-text-color has-link-color has-large-font-size wp-elements-9afc946105be18f8b34fc14c21d148f7\" style=\"color:#000060\"><strong>Applications of Electrolysis<\/strong>:<\/h3>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Purification of metals<\/strong>: Electrolysis is used in industries to purify metals like copper and aluminum.<\/li>\n\n\n\n<li><strong>Electroplating<\/strong>: Used to prevent corrosion and improve the appearance of objects.<\/li>\n\n\n\n<li><strong>Extraction of metals<\/strong>: Electrolysis helps in extracting metals like sodium, potassium, and aluminum from their compounds.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading has-text-color has-link-color has-large-font-size wp-elements-f4f2b736b49842722b92a43c05f09102\" style=\"color:#000060\"><strong>Examples of Chemical Effects<\/strong>:<\/h3>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Production of gas bubbles at the electrodes (e.g., oxygen and hydrogen from water).<\/li>\n\n\n\n<li>Deposition of metals like copper or silver at the electrodes.<\/li>\n\n\n\n<li>Change in color of solutions due to the formation of new substances.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading has-text-color has-link-color has-large-font-size wp-elements-75c3c5eaa7480bf3f8989d3f295fc797\" style=\"color:#000060\"><strong>Testing for Conductivity<\/strong>:<\/h3>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Solutions that conduct electricity are called conductors, while those that do not conduct are non-conductors or insulators.<\/li>\n\n\n\n<li>A simple way to test for the conductivity of a solution is to use a conductivity tester, such as a circuit with a light bulb that lights up when electricity flows through the solution.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading has-text-color has-link-color has-large-font-size wp-elements-ccb53d7235a9da56ee42ebd04e3074b5\" style=\"color:#000060\"><strong>LED and Conductivity Test<\/strong>:<\/h3>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Light Emitting Diodes (LEDs) are used in modern conductivity testers. When the LED glows, it indicates the presence of a conducting solution.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#d90000\"><strong>Let&#8217;s practice!<\/strong><\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/wordwall.net\/play\/82706\/815\/538\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-128.png\" alt=\"\" class=\"wp-image-7907\" srcset=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-128.png 500w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-128-300x300.png 300w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-128-150x150.png 150w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/wordwall.net\/play\/79814\/025\/204\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-126.png\" alt=\"\" class=\"wp-image-7908\" srcset=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-126.png 500w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-126-300x300.png 300w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-126-150x150.png 150w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Chemical Effects Of Electric Current chemical effects of electric current by Delta publications Key Notes : Electric Current and Chemical Reactions: Electrolytes: Electrolysis: Electrodes: Electroplating: Applications of Electrolysis: Examples of Chemical Effects: Testing for Conductivity: LED and Conductivity Test: Let&#8217;s practice!<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-3987","page","type-page","status-publish","hentry","entry"],"aioseo_notices":[],"_hostinger_reach_plugin_has_subscription_block":false,"_hostinger_reach_plugin_is_elementor":false,"_links":{"self":[{"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3987","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/comments?post=3987"}],"version-history":[{"count":21,"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3987\/revisions"}],"predecessor-version":[{"id":21333,"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3987\/revisions\/21333"}],"wp:attachment":[{"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=3987"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}