{"id":5559,"date":"2024-04-15T02:15:22","date_gmt":"2024-04-15T02:15:22","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=5559"},"modified":"2024-04-15T02:15:22","modified_gmt":"2024-04-15T02:15:22","slug":"assertion-a-synthetic-detergents-can-lather-well-in-hard-water-reason-r-synthetic-detergents-form-soluble-calcium-and-magnesium-salts-with-hard-water-a-both-a-and-r-are-true-and-r-is-the-correc","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/assertion-a-synthetic-detergents-can-lather-well-in-hard-water-reason-r-synthetic-detergents-form-soluble-calcium-and-magnesium-salts-with-hard-water-a-both-a-and-r-are-true-and-r-is-the-correc\/","title":{"rendered":"Assertion (A) Synthetic detergents can lather well in hard water. Reason (R) Synthetic detergents form soluble calcium and magnesium salts with hard water. A. Both A and R are true and R is the correct explanation of A B. Both A and R are true, but R is not the correct explanation of A C. A is true, but R is false D. A is false, but R is true"},"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_6a9b7e9eb355a\">\r\n                                            <div class=\"option\" data-option-key=\"option1\" data-is-correct=\"true\">\r\n                    Both A and R are true and R is the correct explanation of A                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option2\" data-is-correct=\"false\">\r\n                    Both A and R are true, but R is not the correct explanation of A                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option3\" data-is-correct=\"false\">\r\n                    A is true, but R is false                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option4\" data-is-correct=\"false\">\r\n                    A is false, but R is true                <\/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. Both A and R are true and R is the correct explanation of A.<\/strong><\/p>\n<p>Synthetic detergents are made up of long chains of molecules with a hydrophobic (water-hating) end and a hydrophilic (water-loving) end. The hydrophobic end of the molecule attaches to the dirt or grease, while the hydrophilic end attaches to the water. This allows the detergent to lift the dirt or grease away from the surface and suspend it in the water so that it can be rinsed away.<\/p>\n<p>Hard water contains minerals such as calcium and magnesium. These minerals can form insoluble salts with the detergent, which can prevent the detergent from working properly. However, synthetic detergents are designed to form soluble salts with these minerals, which means that they can still lather <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        <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>         <\/svg>\r\n            <\/span>\r\n            Subscribe on YouTube\r\n        <\/a>\r\n    <\/div> well in hard water.<\/p>\n<p>Therefore, both A and R are true, and R is the correct explanation of A.<\/p>\n<p>Here is a more detailed explanation of each option:<\/p>\n<ul>\n<li><strong>Option A:<\/strong> Both A and R are true and R is the correct explanation of A. This is the correct answer, as explained above.<\/li>\n<li><strong>Option B:<\/strong> Both A and R are true, but R is not the correct explanation of A. This is not the correct answer, as R is the correct explanation of A.<\/li>\n<li><strong>Option C:<\/strong> A is true, but R is false. This is not the correct answer, as R is true.<\/li>\n<li><strong>Option D:<\/strong> A is false, but R is true. This is not the correct answer, as A is true.<\/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>Assertion (A) Synthetic detergents can lather well in hard water. Reason (R) Synthetic detergents form soluble calcium and magnesium salts with hard water. A. Both A and R are true and R is the correct explanation of A B. Both A and R are true, but R is not the correct explanation of A C. A is true, but R is false D. A is false, but R is true<\/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\/assertion-a-synthetic-detergents-can-lather-well-in-hard-water-reason-r-synthetic-detergents-form-soluble-calcium-and-magnesium-salts-with-hard-water-a-both-a-and-r-are-true-and-r-is-the-correc\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Assertion (A) Synthetic detergents can lather well in hard water. Reason (R) Synthetic detergents form soluble calcium and magnesium salts with hard water. A. 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