{"id":21618,"date":"2024-04-15T06:08:40","date_gmt":"2024-04-15T06:08:40","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=21618"},"modified":"2024-04-15T06:08:40","modified_gmt":"2024-04-15T06:08:40","slug":"when-an-iron-nail-gets-rusted-iron-oxide-is-formed-a-without-any-change-in-the-weight-of-the-nail-b-with-decrease-in-the-weight-of-the-nail-c-with-increase-in-the-weight-of-the-nail-d-without-any","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/when-an-iron-nail-gets-rusted-iron-oxide-is-formed-a-without-any-change-in-the-weight-of-the-nail-b-with-decrease-in-the-weight-of-the-nail-c-with-increase-in-the-weight-of-the-nail-d-without-any\/","title":{"rendered":"When an iron nail gets rusted, iron oxide is formed A. Without any change in the weight of the nail B. With decrease in the weight of the nail C. With increase in the weight of the nail D. Without any change in colour or weight of the nail"},"content":{"rendered":"<p>[amp_mcq option1=&#8221;Without any change in the weight of the nail&#8221; option2=&#8221;With decrease in the weight of the nail&#8221; option3=&#8221;With increase in the weight of the nail&#8221; option4=&#8221;Without any change in colour or weight of the nail&#8221; correct=&#8221;option2&#8243;]<!--more--><\/p>\n<p>The correct answer is: <strong>B. With decrease in the weight of the nail<\/strong><\/p>\n<p>When an iron nail gets rusted, it reacts with oxygen in the air to form iron oxide. This reaction is called oxidation. Iron oxide is a solid that is red-brown in color. It is heavier than iron, so when an iron nail rusts, it loses weight.<\/p>\n<p>The other options are incorrect because:<\/p>\n<ul>\n<li>Option A is incorrect because the weight of the nail decreases when it rusts.<\/li>\n<li>Option C is incorrect because the weight of the nail decreases when it rusts.<\/li>\n<li>Option D is incorrect because the color of the nail changes from silver to red-brown when it rusts.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>[amp_mcq option1=&#8221;Without any change in the weight of the nail&#8221; option2=&#8221;With decrease in the weight of the nail&#8221; option3=&#8221;With increase in the weight of the nail&#8221; option4=&#8221;Without any change in colour or weight of the nail&#8221; correct=&#8221;option2&#8243;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[692],"tags":[],"class_list":["post-21618","post","type-post","status-publish","format-standard","hentry","category-general-science","no-featured-image-padding"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.2 (Yoast SEO v23.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>When an iron nail gets rusted, iron oxide is formed A. Without any change in the weight of the nail B. With decrease in the weight of the nail C. With increase in the weight of the nail D. Without any change in colour or weight of the nail<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/exam.pscnotes.com\/mcq\/when-an-iron-nail-gets-rusted-iron-oxide-is-formed-a-without-any-change-in-the-weight-of-the-nail-b-with-decrease-in-the-weight-of-the-nail-c-with-increase-in-the-weight-of-the-nail-d-without-any\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"When an iron nail gets rusted, iron oxide is formed A. Without any change in the weight of the nail B. With decrease in the weight of the nail C. With increase in the weight of the nail D. Without any change in colour or weight of the nail\" \/>\n<meta property=\"og:description\" content=\"[amp_mcq option1=&#8221;Without any change in the weight of the nail&#8221; option2=&#8221;With decrease in the weight of the nail&#8221; option3=&#8221;With increase in the weight of the nail&#8221; option4=&#8221;Without any change in colour or weight of the nail&#8221; correct=&#8221;option2&#8243;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/when-an-iron-nail-gets-rusted-iron-oxide-is-formed-a-without-any-change-in-the-weight-of-the-nail-b-with-decrease-in-the-weight-of-the-nail-c-with-increase-in-the-weight-of-the-nail-d-without-any\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2024-04-15T06:08:40+00:00\" \/>\n<meta name=\"author\" content=\"rawan239\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"rawan239\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"When an iron nail gets rusted, iron oxide is formed A. Without any change in the weight of the nail B. With decrease in the weight of the nail C. With increase in the weight of the nail D. Without any change in colour or weight of the nail","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/exam.pscnotes.com\/mcq\/when-an-iron-nail-gets-rusted-iron-oxide-is-formed-a-without-any-change-in-the-weight-of-the-nail-b-with-decrease-in-the-weight-of-the-nail-c-with-increase-in-the-weight-of-the-nail-d-without-any\/","og_locale":"en_US","og_type":"article","og_title":"When an iron nail gets rusted, iron oxide is formed A. Without any change in the weight of the nail B. With decrease in the weight of the nail C. With increase in the weight of the nail D. Without any change in colour or weight of the nail","og_description":"[amp_mcq option1=&#8221;Without any change in the weight of the nail&#8221; option2=&#8221;With decrease in the weight of the nail&#8221; option3=&#8221;With increase in the weight of the nail&#8221; option4=&#8221;Without any change in colour or weight of the nail&#8221; correct=&#8221;option2&#8243;]","og_url":"https:\/\/exam.pscnotes.com\/mcq\/when-an-iron-nail-gets-rusted-iron-oxide-is-formed-a-without-any-change-in-the-weight-of-the-nail-b-with-decrease-in-the-weight-of-the-nail-c-with-increase-in-the-weight-of-the-nail-d-without-any\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2024-04-15T06:08:40+00:00","author":"rawan239","twitter_card":"summary_large_image","twitter_misc":{"Written by":"rawan239","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/exam.pscnotes.com\/mcq\/when-an-iron-nail-gets-rusted-iron-oxide-is-formed-a-without-any-change-in-the-weight-of-the-nail-b-with-decrease-in-the-weight-of-the-nail-c-with-increase-in-the-weight-of-the-nail-d-without-any\/","url":"https:\/\/exam.pscnotes.com\/mcq\/when-an-iron-nail-gets-rusted-iron-oxide-is-formed-a-without-any-change-in-the-weight-of-the-nail-b-with-decrease-in-the-weight-of-the-nail-c-with-increase-in-the-weight-of-the-nail-d-without-any\/","name":"When an iron nail gets rusted, iron oxide is formed A. 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