{"id":7138,"date":"2024-04-15T02:40:08","date_gmt":"2024-04-15T02:40:08","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=7138"},"modified":"2024-04-15T02:40:08","modified_gmt":"2024-04-15T02:40:08","slug":"the-density-of-water-is-1000-kg-m3-at-a-0ac-b-0ak-c-4ac-d-20ac","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/the-density-of-water-is-1000-kg-m3-at-a-0ac-b-0ak-c-4ac-d-20ac\/","title":{"rendered":"The density of water is 1000 kg\/m3 at A. 0\u00c2\u00b0C B. 0\u00c2\u00b0K C. 4\u00c2\u00b0C D. 20\u00c2\u00b0C"},"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_6a9939ace65c5\">\r\n                                            <div class=\"option\" data-option-key=\"option1\" data-is-correct=\"false\">\r\n                    0\u00c2\u00b0C                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option2\" data-is-correct=\"true\">\r\n                    0\u00c2\u00b0K                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option3\" data-is-correct=\"false\">\r\n                    4\u00c2\u00b0C                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option4\" data-is-correct=\"false\">\r\n                    20\u00c2\u00b0C                <\/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 density of water is 1000 kg\/m3 at 4\u00c2\u00b0C. This is because water has its maximum density at 4\u00c2\u00b0C. At temperatures below 4\u00c2\u00b0C, water molecules start to form ice crystals, which are less dense than liquid water. At temperatures above 4\u00c2\u00b0C, water molecules start to move around more, which makes the water less dense.<\/p>\n<p>Option A: 0\u00c2\u00b0C is the freezing point of water. At this temperature, water molecules start to form ice crystals, which are less dense than liquid water. Therefore, the density of water is not 1000 kg\/m3 at 0\u00c2\u00b0C.<\/p>\n<p>Option B: 0\u00c2\u00b0K is absolute zero, the temperature at which all molecular motion ceases. At this temperature, water molecules would be completely still, and the density of water would be infinite. However, this is an unrealistic scenario, as it is impossible to reach absolute zero. Therefore, the density of water is not 1000 kg\/m3 at 0\u00c2\u00b0K.<\/p>\n<p>Option C: 4\u00c2\u00b0C is the temperature at which water has its maximum density. At this temperature, water molecules are arranged in a way that makes the water <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         <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>    <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> as dense as possible. Therefore, the density of water is 1000 kg\/m3 at 4\u00c2\u00b0C.<\/p>\n<p>Option D: 20\u00c2\u00b0C is a temperature that is above the freezing point of water. At this temperature, water molecules are moving around more, which makes the water less dense. Therefore, the density of water is not 1000 kg\/m3 at 20\u00c2\u00b0C.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Join Our Telegram Channel 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":[648],"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 density of water is 1000 kg\/m3 at A. 0\u00c2\u00b0C B. 0\u00c2\u00b0K C. 4\u00c2\u00b0C D. 20\u00c2\u00b0C<\/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-density-of-water-is-1000-kg-m3-at-a-0ac-b-0ak-c-4ac-d-20ac\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" 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