{"id":5606,"date":"2024-04-15T02:16:05","date_gmt":"2024-04-15T02:16:05","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=5606"},"modified":"2024-04-15T02:16:05","modified_gmt":"2024-04-15T02:16:05","slug":"the-amount-of-chlorine-available-in-water-after-disinfection-is-called-as-a-free-chlorine-b-residual-chlorine-c-free-available-chlorine-d-combined-available-chlorine","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/the-amount-of-chlorine-available-in-water-after-disinfection-is-called-as-a-free-chlorine-b-residual-chlorine-c-free-available-chlorine-d-combined-available-chlorine\/","title":{"rendered":"The amount of chlorine available in water after disinfection is called as A. free chlorine B. residual chlorine C. free available chlorine D. combined available chlorine"},"content":{"rendered":"<p>\r\n    <!-- Check if it's an AMP page -->\r\n            <!-- Non-AMP version -->\r\n        <div class=\"mcq-container\" data-quiz-id=\"quizState_6a9865fae2b0c\">\r\n                                            <div class=\"option\" data-option-key=\"option1\" data-is-correct=\"true\">\r\n                    free chlorine                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option2\" data-is-correct=\"false\">\r\n                    residual chlorine                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option3\" data-is-correct=\"false\">\r\n                    free available chlorine                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option4\" data-is-correct=\"false\">\r\n                    combined available chlorine                <\/div>\r\n                            \r\n            <!-- Feedback messages for non-AMP -->\r\n            <div class=\"feedback\" data-feedback=\"wrong\">Answer is Right!<\/div>\r\n            <div class=\"feedback\" data-feedback=\"right\">Answer is Wrong!<\/div>\r\n        <\/div>\r\n\r\n        <script>\r\n        document.addEventListener('DOMContentLoaded', function () {\r\n            var containers = document.querySelectorAll('.mcq-container');\r\n\r\n            containers.forEach(function(container) {\r\n                var options = container.querySelectorAll('.option');\r\n                var feedbackSelect = container.querySelector('[data-feedback=\"select\"]');\r\n                var feedbackWrong = container.querySelector('[data-feedback=\"wrong\"]');\r\n                var feedbackRight = container.querySelector('[data-feedback=\"right\"]');\r\n\r\n                options.forEach(function(option) {\r\n                    option.addEventListener('click', function() {\r\n                        var selectedOption = option.getAttribute('data-option-key');\r\n                        var isCorrect = option.getAttribute('data-is-correct') === 'true';\r\n\r\n                        \/\/ Remove previous selections\r\n                        options.forEach(function(opt) {\r\n                            opt.classList.remove('correct', 'incorrect');\r\n                        });\r\n\r\n                        \/\/ Add the correct\/incorrect class\r\n                        if (isCorrect) {\r\n                            option.classList.add('correct');\r\n                            feedbackRight.hidden = false;\r\n                            feedbackWrong.hidden = true;\r\n                        } else {\r\n                            option.classList.add('incorrect');\r\n                            feedbackRight.hidden = true;\r\n                            feedbackWrong.hidden = false;\r\n                        }\r\n\r\n                        \/\/ Hide select feedback\r\n                        feedbackSelect.hidden = true;\r\n                    });\r\n                });\r\n            });\r\n        });\r\n        <\/script>\r\n    \r\n    <!--more--><\/p>\n<p>The correct answer is: <strong>A. free chlorine<\/strong><\/p>\n<p>Free chlorine is the amount of chlorine that is not combined with other substances in the water. It is the most effective form of chlorine for disinfection, and it is used to kill bacteria and other microorganisms in drinking water.<\/p>\n<p>Residual chlorine is the amount of chlorine that remains in the water after disinfection. It is important to have a residual chlorine level in drinking water to prevent recontamination.<\/p>\n<p>Combined available chlorine is <div class=\"telegram-channel-container\">\r\n        <a href=\"https:\/\/t.me\/pscnotes2025\" target=\"_blank\" class=\"telegram-channel-button\">\r\n            <span class=\"telegram-icon\">\r\n                <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 496 512\">\r\n                    <path fill=\"white\" d=\"M248,8C111,8,0,119,0,256s111,248,248,248s248-111,248-248S385,8,248,8z M362,177L320,367c-3,14-10,18-20,14l-56-41l-27,26 c-3,3-5,5-10,5l4-63L323,196c5-5-1-7-8-3l-98,62l-42-13c-9-3-10-9,2-14l162-63C351,160,365,164,362,177z\"\/>\r\n                <\/svg>\r\n            <\/span>\r\n            Join Our Telegram Channel\r\n        <\/a>\r\n    <\/div> the amount of chlorine that is combined with other substances in the water, such as ammonia. It is not as effective as free chlorine for disinfection, but it can still help to kill bacteria and other microorganisms.<\/p>\n<p>Here is a brief explanation of each option:<\/p>\n<ul>\n<li><strong>Free chlorine<\/strong> is the amount of chlorine that is not combined <div class=\"youtube-subscribe-container\">\r\n        <a href=\"https:\/\/www.youtube.com\/channel\/UCNHT8lW-JmLC68rjBfZhdkg?sub_confirmation=1\" target=\"_blank\" class=\"youtube-subscribe-button\">\r\n            <span class=\"youtube-icon\">\r\n                <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 576 512\">\r\n                    <path d=\"M549.7 124.1c-6.3-23.7-24.8-42.3-48.3-48.6C458.8 64 288 64 288 64S117.2 64 74.6 75.5c-23.5 6.3-42 24.9-48.3 48.6-11.4 42.9-11.4 132.3-11.4 132.3s0 89.4 11.4 132.3c6.3 23.7 24.8 41.5 48.3 47.8C117.2 448 288 448 288 448s170.8 0 213.4-11.5c23.5-6.3 42-24.2 48.3-47.8 11.4-42.9 11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z\"\/>\r\n                <\/svg>\r\n            <\/span>\r\n            Subscribe on YouTube\r\n        <\/a>\r\n    <\/div> with other substances in the water. It is the most effective form of chlorine for disinfection, and it is used to kill bacteria and other microorganisms in drinking water.<\/li>\n<li><strong>Residual chlorine<\/strong> is the amount of chlorine that remains in the water after disinfection. It is important to have a residual chlorine level in drinking water to prevent recontamination.<\/li>\n<li><strong>Combined available chlorine<\/strong> is the amount of chlorine that is combined with other substances in the water, such as ammonia. It is not as effective as free chlorine for disinfection, but it can still help to kill bacteria and other microorganisms.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Subscribe on YouTube<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[638],"tags":[],"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>The amount of chlorine available in water after disinfection is called as A. free chlorine B. residual chlorine C. free available chlorine D. combined available chlorine<\/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\/the-amount-of-chlorine-available-in-water-after-disinfection-is-called-as-a-free-chlorine-b-residual-chlorine-c-free-available-chlorine-d-combined-available-chlorine\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The amount of chlorine available in water after disinfection is called as A. free chlorine B. residual chlorine C. free available chlorine D. combined available chlorine\" \/>\n<meta property=\"og:description\" content=\"Subscribe on YouTube\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/the-amount-of-chlorine-available-in-water-after-disinfection-is-called-as-a-free-chlorine-b-residual-chlorine-c-free-available-chlorine-d-combined-available-chlorine\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2024-04-15T02:16:05+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":"The amount of chlorine available in water after disinfection is called as A. free chlorine B. residual chlorine C. free available chlorine D. combined available chlorine","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\/the-amount-of-chlorine-available-in-water-after-disinfection-is-called-as-a-free-chlorine-b-residual-chlorine-c-free-available-chlorine-d-combined-available-chlorine\/","og_locale":"en_US","og_type":"article","og_title":"The amount of chlorine available in water after disinfection is called as A. free chlorine B. residual chlorine C. free available chlorine D. combined available chlorine","og_description":"Subscribe on YouTube","og_url":"https:\/\/exam.pscnotes.com\/mcq\/the-amount-of-chlorine-available-in-water-after-disinfection-is-called-as-a-free-chlorine-b-residual-chlorine-c-free-available-chlorine-d-combined-available-chlorine\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2024-04-15T02:16:05+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\/the-amount-of-chlorine-available-in-water-after-disinfection-is-called-as-a-free-chlorine-b-residual-chlorine-c-free-available-chlorine-d-combined-available-chlorine\/","url":"https:\/\/exam.pscnotes.com\/mcq\/the-amount-of-chlorine-available-in-water-after-disinfection-is-called-as-a-free-chlorine-b-residual-chlorine-c-free-available-chlorine-d-combined-available-chlorine\/","name":"The amount of chlorine available in water after disinfection is called as A. free chlorine B. residual chlorine C. free available chlorine D. combined available chlorine","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2024-04-15T02:16:05+00:00","dateModified":"2024-04-15T02:16:05+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/the-amount-of-chlorine-available-in-water-after-disinfection-is-called-as-a-free-chlorine-b-residual-chlorine-c-free-available-chlorine-d-combined-available-chlorine\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/the-amount-of-chlorine-available-in-water-after-disinfection-is-called-as-a-free-chlorine-b-residual-chlorine-c-free-available-chlorine-d-combined-available-chlorine\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/the-amount-of-chlorine-available-in-water-after-disinfection-is-called-as-a-free-chlorine-b-residual-chlorine-c-free-available-chlorine-d-combined-available-chlorine\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/exam.pscnotes.com\/mcq\/"},{"@type":"ListItem","position":2,"name":"mcq","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/mcq\/"},{"@type":"ListItem","position":3,"name":"Chemistry in everyday life","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/mcq\/chemistry-in-everyday-life\/"},{"@type":"ListItem","position":4,"name":"The amount of chlorine available in water after disinfection is called as A. free chlorine B. residual chlorine C. free available chlorine D. combined available chlorine"}]},{"@type":"WebSite","@id":"https:\/\/exam.pscnotes.com\/mcq\/#website","url":"https:\/\/exam.pscnotes.com\/mcq\/","name":"MCQ and Quiz for Exams","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/exam.pscnotes.com\/mcq\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209","name":"rawan239","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/d97f17072bfa490596c8f78363955d55?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/d97f17072bfa490596c8f78363955d55?s=96&d=mm&r=g","caption":"rawan239"},"sameAs":["https:\/\/exam.pscnotes.com"],"url":"https:\/\/exam.pscnotes.com\/mcq\/author\/rawan239\/"}]}},"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/5606"}],"collection":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/comments?post=5606"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/5606\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=5606"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=5606"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=5606"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}