{"id":620788,"date":"2023-03-13T05:04:57","date_gmt":"2023-03-13T05:04:57","guid":{"rendered":"https:\/\/www.indcareer.com\/schools\/?p=620788"},"modified":"2024-04-29T10:52:01","modified_gmt":"2024-04-29T10:52:01","slug":"ncert-exemplar-class-8-science-chapter-5-coal-and-petroleum","status":"publish","type":"post","link":"https:\/\/www.indcareer.com\/schools\/ncert-exemplar-class-8-science-chapter-5-coal-and-petroleum\/","title":{"rendered":"NCERT Exemplar Class 8 Science\u00a0Chapter 5: Coal and Petroleum"},"content":{"rendered":"\n<p>NCERT Exemplar Class 8 Science&nbsp;Chapter 5: Coal and Petroleum. NCERT Exemplar Solutions for Class 8 Science&nbsp;Chapter 5 Coal and Petroleum prepare students for their Class 8 exams thoroughly. <\/p>\n\n\n\n<p>Science&nbsp;problems and solutions for the Class 8 pdf are provided here which are similar to the questions being asked in the previous year&#8217;s board. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-ncert-exemplar-class-8-science-nbsp-chapter-5-coal-and-petroleum\"><strong>NCERT Exemplar Class 8 Science&nbsp;Chapter 5: Coal and Petroleum<\/strong><\/h2>\n\n\n\n<p>Class 8: Science&nbsp;Chapter 5 solutions. Complete Class 8 Science&nbsp;Chapter 5 Notes.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-multiple-choice-questions\"><strong>Multiple Choice Questions<\/strong><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Various materials which are obtained from nature are called natural resources. Which of the following is not a natural resource?\n<ul class=\"wp-block-list\">\n<li>(a) minerals<\/li>\n\n\n\n<li>(b) water<\/li>\n\n\n\n<li>(c) soil<\/li>\n\n\n\n<li>(d) plastic<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Air is a natural resource and cannot be exhausted by human activities. It is known as inexhaustible natural resource. Which of the following is another inexhaustible natural resource?\n<ul class=\"wp-block-list\">\n<li>(a) coal<\/li>\n\n\n\n<li>(b) petroleum<\/li>\n\n\n\n<li>(c) sun-light<\/li>\n\n\n\n<li>(d) minerals<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Which of the following is a pair of exhaustible natural resources.\n<ul class=\"wp-block-list\">\n<li>(a) coal and soil<\/li>\n\n\n\n<li>(b) air and sun-light<\/li>\n\n\n\n<li>(c) water and petroleum<\/li>\n\n\n\n<li>(d) wild life and minerals<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Coal is processed in industries to get some useful products. Which of the following is not obtained from coal?\n<ul class=\"wp-block-list\">\n<li>(a) coke<\/li>\n\n\n\n<li>(b) coal tar<\/li>\n\n\n\n<li>(c) coal gas<\/li>\n\n\n\n<li>(d) CNG<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Exhaustible natural resources are:\n<ul class=\"wp-block-list\">\n<li>(a) unlimited in quantity.<\/li>\n\n\n\n<li>(b) not dependent on nature.<\/li>\n\n\n\n<li>(c) limited in quantity.<\/li>\n\n\n\n<li>(d) not exhausted by human activities.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Fossil fuels are obtained from:\n<ul class=\"wp-block-list\">\n<li>(a) remains of non-living materials.<\/li>\n\n\n\n<li>(b) dead remains of birds only.<\/li>\n\n\n\n<li>(c) dead remains of insects only.<\/li>\n\n\n\n<li>(d) dead remains of living organisms.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Coal is formed from the remains of\n<ul class=\"wp-block-list\">\n<li>(a) vegetation only<\/li>\n\n\n\n<li>(b) animals only<\/li>\n\n\n\n<li>(c) both vegetation and animals<\/li>\n\n\n\n<li>(d) neither vegetation nor animals<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Which substance is formed by the carbonation of dead vegetation?.\n<ul class=\"wp-block-list\">\n<li>(a) coal<\/li>\n\n\n\n<li>(b) coke<\/li>\n\n\n\n<li>(c) coal gas<\/li>\n\n\n\n<li>(d) coal tar<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Naphthalene balls are obtained from coal tar and are used as\n<ul class=\"wp-block-list\">\n<li>(a) mosquito repellant<\/li>\n\n\n\n<li>(b) honey bee repellant<\/li>\n\n\n\n<li>(c) moth repellant<\/li>\n\n\n\n<li>(d) snake repellant<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Which of the following is not a constituent of petroleum?\n<ul class=\"wp-block-list\">\n<li>(a) paraffin wax<\/li>\n\n\n\n<li>(b) lubricating oil<\/li>\n\n\n\n<li>(c) petrol<\/li>\n\n\n\n<li>(d) coke<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Petroleum was formed from organisms:\n<ul class=\"wp-block-list\">\n<li>(a) living on the land<\/li>\n\n\n\n<li>(b) living on the plants<\/li>\n\n\n\n<li>(c) living in the sea<\/li>\n\n\n\n<li>(d) living on the rocks<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Choose the correct statement from the following:\n<ul class=\"wp-block-list\">\n<li>(a) It is difficult to transport natural gas through pipes.<\/li>\n\n\n\n<li>(b) The disadvantage of natural gas is that it can not be used directly for burning in homes.<\/li>\n\n\n\n<li>(c) Natural gas is stored under high pressure as compressed natural gas.<\/li>\n\n\n\n<li>(d) Natural gas cannot be used for power generation.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-very-short-answer-type-questions\"><strong>Very Short Answer Type Questions<\/strong><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>You are provided with a mixture of petroleum and water. Can you suggest a method to separate the two?<\/li>\n\n\n\n<li>What does CNG stand for and why is it considered to be a better fuel than petrol?<\/li>\n\n\n\n<li>Name the petroleum product used as fuel for stoves, lamps and jet aircrafts.<\/li>\n\n\n\n<li>Fill in the blanks in the following sentences.\n<ul class=\"wp-block-list\">\n<li>(a) Coal is one of the ________ used to cook food.<\/li>\n\n\n\n<li>(b) When heated in air, coal burns and produces mainly ________ gas.<\/li>\n\n\n\n<li>(c) Coal tar is a black, thick ________ with an ________ smell.<\/li>\n\n\n\n<li>(d) Petroleum, ________ and ________ are fossil fuels.<\/li>\n\n\n\n<li>(e) Forests and coal are ________ natural resources.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>The underlined words in the following sentences have been&nbsp;jumbled up. Write them in their correct form.\n<ul class=\"wp-block-list\">\n<li>(a) Loca is obtained from mines.<\/li>\n\n\n\n<li>(b) Umpetlore is a fossil fuel.<\/li>\n\n\n\n<li>(c) Rineryfe is a place where various fractions of peroleum are separated.<\/li>\n\n\n\n<li>(d) Keenrose is a fuel used in jet crafts.<\/li>\n\n\n\n<li>(e) Nutsgilh is an example of inexhaustible natural resources.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Fill in the blanks.\n<ul class=\"wp-block-list\">\n<li>(a) The slow process of conversion of dead vegetation into coal is called__________.<\/li>\n\n\n\n<li>(b) Coal and petroleum are formed from the dead remains of organisms and are known as __________.<\/li>\n\n\n\n<li>(c) The black thick liquid with __________ smell is known as coal tar.<\/li>\n\n\n\n<li>(d) During the processing of coal to get coke, coal tar and __________ are also obtained.<\/li>\n\n\n\n<li>(e) The process of separating the various constituents of petroleum is known as __________.<\/li>\n\n\n\n<li>(f) Excessive burning of fossil fuels is a major cause of __________.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Write True\/False against the following statements.\n<ul class=\"wp-block-list\">\n<li>(a) Oxygen in air is an exhaustible natural resource.<\/li>\n\n\n\n<li>(b) Resources which are present in unlimited quantity in nature are called exhaustible natural resources.<\/li>\n\n\n\n<li>(c) Wildlife is an exhaustible natural resource.<\/li>\n\n\n\n<li>(d) Under high temperature and pressure, dead plants get slowly converted to coal.<\/li>\n\n\n\n<li>(e) CNG is less polluting fuel than petrol and diesel.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-short-answer-type-questions\"><strong>Short Answer Type Questions<\/strong><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Sunlight and air are inexhaustible natural resources. Comment.<\/li>\n\n\n\n<li>Some natural resources are given in a box. Classify them into the exhaustible and inexhaustible natural resources.<br>air, coal, natural gas, sunlight, petroleum, minerals, forests, oxygen.<\/li>\n\n\n\n<li>Write two important uses of coke.<\/li>\n\n\n\n<li>Write the characteristics and some important uses of coal.<\/li>\n\n\n\n<li>Look at Fig. 5.1 where petroleum and natural gas deposits are shown. Why do we find oil layer above water layer?<br><img decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2023\/03\/15787621420_4670ba5921_o.jpg\" alt=\"\"><\/li>\n\n\n\n<li>Fill in the blanks and complete the story.<br>About 300 million years ago the earth had dense ________ in low lying wetland areas. Due to natural processes, like ______, these forests got burried under the ________. As more ________ deposited over them, they were compressed. The ________ also rose as they sank deeper and deeper. Under high ________ and high ________, dead plants got slowly converted into coal.<\/li>\n\n\n\n<li>Match the items given in Column I with the items of Column II.<br><img decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2023\/03\/15788904939_e8878ca486_o.jpg\" alt=\"\"><\/li>\n<\/ol>\n\n\n\n<p><strong>Long Answer Type Questions<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Name the products obtained and their uses when coal is processed in industry.<\/li>\n\n\n\n<li>We say fossil fuels will last only for a few hundred years. Comment.<\/li>\n\n\n\n<li>We read in newspapers that burning of fuels is a major cause of global warming. Explain why.<\/li>\n\n\n\n<li>While driving what are the tips we must follow to save petrol\/diesel\/natural gas?<\/li>\n\n\n\n<li>Imagine that all the exhaustible natural resources are exhausted by human activities. Do you think survival of living beings would be possible.? If yes, why?, If not, why not?<\/li>\n\n\n\n<li>Why petrol is exhaustible natural resource, whereas sunlight is not? Explain.<\/li>\n\n\n\n<li>Write some important uses of the various constituents of petroleum.<\/li>\n\n\n\n<li>Coal reserves are said to be enough to last for another hundred years. Do you think we need to worry in such case? Why or why not?<\/li>\n\n\n\n<li>What steps would you suggest for the judicious use of fossil fuels?<\/li>\n\n\n\n<li>Complete the crossword Fig. 5.2 with the help of the clues:<br><img decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2023\/03\/15974257082_f370c922bf_o.jpg\" alt=\"\"><br><strong>Across<\/strong><ul><li>1. Fuels obtained form dead remains of living organisms. (6,5)<\/li><li>2. A process by which the various constituents of petroleum are separated. (8)<\/li><li>3. A porous black substance obtained form coal. (4)<\/li><li>4. Another name for motor fuel. (6)<\/li><\/ul><strong>Down<\/strong>\n<ul class=\"wp-block-list\">\n<li>5. The substance obtained by carbonisation. (4)<\/li>\n\n\n\n<li>6. Fuel for heavy motor vehicles. (6)<\/li>\n\n\n\n<li>7. A petroleum product used for road surfacing. (7)<\/li>\n\n\n\n<li>8. Dead remains of sea animals got converted into it. (9)<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">Answers to Multiple Choice Questions<\/h3>\n\n\n\n<p><strong>Mutiple Choice Questions<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2024\/04\/49032561931_8760b5ab58_o.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><strong>Very Short Answer Question<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2024\/04\/49032065688_5c09c802bc_o.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><strong>Short Answer Question<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2024\/04\/49032594061_fae8a27c86_o.png\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2024\/04\/49032093278_3beb5444c4_o.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><strong>Long Answer Question<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2024\/04\/49032822947_6ca9d2764b_o.png\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2024\/04\/49032099548_2ed160c323_o.png\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2024\/04\/49032834157_545f7ea8a3_o.png\" alt=\"\"\/><\/figure>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-background wp-element-button\" href=\"https:\/\/www.indcareer.com\/schools\/ncert-exemplar-problems-solutions\/\" style=\"background-color:#f06d6d\" target=\"_blank\" rel=\"noreferrer noopener\">NCERT Exemplar Solutions<\/a><\/div>\n\n\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-background wp-element-button\" href=\"https:\/\/www.indcareer.com\/schools\/ncert-exemplar-class-8-Science-solutions\/\" style=\"background-color:#f06d6d\" target=\"_blank\" rel=\"noreferrer noopener\">NCERT Class 8 Exemplar Solutions<\/a><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>NCERT Exemplar Class 8 Science&nbsp;Chapter 5: Coal and Petroleum. NCERT Exemplar Solutions for Class 8 Science&nbsp;Chapter 5 Coal and Petroleum prepare students for their Class 8 exams thoroughly. Science&nbsp;problems and solutions for the Class 8 pdf are provided here which are similar to the questions being asked in the previous year&#8217;s board. NCERT Exemplar Class [&hellip;]<\/p>\n","protected":false},"author":302,"featured_media":620790,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"newspack_featured_image_position":"","newspack_post_subtitle":"","newspack_article_summary_title":"Overview:","newspack_article_summary":"","newspack_hide_updated_date":false,"newspack_show_updated_date":false,"footnotes":""},"categories":[1411,58],"tags":[],"boards":[],"class_list":["post-620788","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-book-solutions","category-class-8","entry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.0 (Yoast SEO v27.1.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>NCERT Exemplar for Class 8, Science\u00a0Chapter 5 - IndCareer Schools<\/title>\n<meta name=\"description\" content=\"NCERT Exemplar Class 8 Science\u00a0Chapter 5: Coal and Petroleum | Browse all Class 8 Science\u00a0Chapters NCERT Exemplar books - IndCareer Schools\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.indcareer.com\/schools\/ncert-exemplar-class-8-science-chapter-5-coal-and-petroleum\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"NCERT Exemplar Class 8 Science\u00a0Chapter 5: Coal and Petroleum\" \/>\n<meta property=\"og:description\" content=\"NCERT Exemplar Class 8 Science&nbsp;Chapter 5: Coal and Petroleum. 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