{"id":5277,"date":"2024-04-15T02:10:55","date_gmt":"2024-04-15T02:10:55","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=5277"},"modified":"2024-04-15T02:10:55","modified_gmt":"2024-04-15T02:10:55","slug":"assertion-a-hydrocarbons-are-very-good-fuels-reason-r-the-main-sources-of-hydrocarbons-are-natural-gas-petroleum-and-coal-a-both-a-and-r-are-true-and-r-is-the-correct-explanation-of-a-b-both","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/assertion-a-hydrocarbons-are-very-good-fuels-reason-r-the-main-sources-of-hydrocarbons-are-natural-gas-petroleum-and-coal-a-both-a-and-r-are-true-and-r-is-the-correct-explanation-of-a-b-both\/","title":{"rendered":"Assertion (A) Hydrocarbons are very good fuels. Reason (R) The main sources of hydrocarbons are natural gas, petroleum and coal. 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_6a99905ee994b\">\r\n                                            <div class=\"option\" data-option-key=\"option1\" data-is-correct=\"false\">\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=\"true\">\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>Both A and R are true, but R is not the correct explanation of A.<\/strong><\/p>\n<p>Hydrocarbons are very good fuels because they are highly flammable and release a lot of energy when they burn. However, the main sources of hydrocarbons are not the only sources of good fuels. For example, hydrogen is also a very good fuel, but it is not a hydrocarbon.<\/p>\n<p>The reason (R) that the main sources of hydrocarbons are natural gas, petroleum and coal does not explain why hydrocarbons are very good fuels. The reason that hydrocarbons are very good fuels is because they are highly flammable and release a lot of energy when they burn.<\/p>\n<p>Here are some additional details about each option:<\/p>\n<ul>\n<li>Option <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> A: Both A and R are true and R is the correct explanation of A. This option is incorrect because the reason (R) that the main sources of hydrocarbons are natural gas, petroleum and coal does not explain why hydrocarbons are very good fuels.<\/li>\n<li>Option B: Both A and R are true, but R is not the correct explanation of A. This option is correct because both A and <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> R are true, but the reason (R) that the main sources of hydrocarbons are natural gas, petroleum and coal does not explain why hydrocarbons are very good fuels.<\/li>\n<li>Option C: A is true, but R is false. This option is incorrect because R is true.<\/li>\n<li>Option D: A is false, but R is true. This option is incorrect because A is true.<\/li>\n<\/ul>\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":[637],"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) Hydrocarbons are very good fuels. Reason (R) The main sources of hydrocarbons are natural gas, petroleum and coal. 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. 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