{"id":4780,"date":"2016-05-18T11:49:00","date_gmt":"2016-05-18T06:19:00","guid":{"rendered":"http:\/\/mycbseguide.com\/blog\/ncert-solutions-class-8-science-18-pollution-of-air-and-water\/"},"modified":"2018-06-25T14:32:40","modified_gmt":"2018-06-25T09:02:40","slug":"ncert-solutions-for-class-8-science-pollution-of-air-and-water","status":"publish","type":"post","link":"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-8-science-pollution-of-air-and-water\/","title":{"rendered":"NCERT Solutions for Class 8 Science Pollution of Air and Water"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_76 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-8-science-pollution-of-air-and-water\/#NCERT_Class_8_Science_Chapter_wise_Solutions\" >NCERT Class 8 Science Chapter wise Solutions<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-8-science-pollution-of-air-and-water\/#NCERT_Solutions_for_Class_8_Science_Pollution_of_Air_and_Water\" >NCERT Solutions for Class 8 Science Pollution of Air and Water<\/a><ul class='ez-toc-list-level-6' ><li class='ez-toc-heading-level-6'><ul class='ez-toc-list-level-6' ><li class='ez-toc-heading-level-6'><ul class='ez-toc-list-level-6' ><li class='ez-toc-heading-level-6'><ul class='ez-toc-list-level-6' ><li class='ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-8-science-pollution-of-air-and-water\/#Class%E2%80%93VIII_Science_NCERT_SOLUTION\" >Class\u2013VIII Science NCERT SOLUTION<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-8-science-pollution-of-air-and-water\/#Ch-18_Pollution_of_air_and_water\" >Ch-18 Pollution of air and water<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-8-science-pollution-of-air-and-water\/#1_What_are_the_different_ways_in_which_water_gets_contaminated\" >1. What are the different ways in which water gets contaminated?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-8-science-pollution-of-air-and-water\/#2_At_an_individual_level_how_can_you_help_reduce_air_pollution\" >2. At an individual level, how can you help reduce air pollution?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-8-science-pollution-of-air-and-water\/#3_Clear_transparent_water_is_always_fit_for_drinking_Comment\" >3. Clear, transparent water is always fit for drinking. Comment.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-8-science-pollution-of-air-and-water\/#4_You_are_a_member_of_the_municipal_body_of_your_town\" >4. You are a member of the municipal body of your town.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-8-science-pollution-of-air-and-water\/#5_Explain_the_differences_between_pure_air_and_polluted_air\" >5. Explain the differences between pure air and polluted air.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-8-science-pollution-of-air-and-water\/#6_Explain_circumstances_leading_to_acid_rain_How_does_acid_rain_affect_us\" >6. Explain circumstances leading to acid rain. How does acid rain affect us?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-8-science-pollution-of-air-and-water\/#7_Which_of_the_following_is_not_a_green_gas\" >7. Which of the following is not a green gas?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-8-science-pollution-of-air-and-water\/#8_Describe_the_%E2%80%98Green_House_Effect_in_your_own_words\" >8. Describe the \u2018Green House Effect\u2019 in your own words.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-8-science-pollution-of-air-and-water\/#9_Prepare_a_brief_speech_on_global_warming_You_have_to_deliver_the_speech_in_your_class\" >9. Prepare a brief speech on global warming. You have to deliver the speech in your class.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-8-science-pollution-of-air-and-water\/#10_Describe_the_threat_to_the_beauty_of_the_%E2%80%98Taj_Mahal\" >10. Describe the threat to the beauty of the \u2018Taj Mahal\u2019.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-8-science-pollution-of-air-and-water\/#11_Why_does_the_increased_level_of_nutrients_in_the_water_affect_the_survival_of_aquatic_organisms\" >11. Why does the increased level of nutrients in the water affect the survival of aquatic organisms?<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-8-science-pollution-of-air-and-water\/#NCERT_solutions_for_Class_8_Science\" >NCERT solutions for Class 8 Science<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-8-science-pollution-of-air-and-water\/#CBSE_app_for_Students\" >CBSE app for Students<\/a><\/li><\/ul><\/nav><\/div>\n<p>NCERT Solutions for Class 8 Science Pollution of Air and Water Class 8 Science book solutions are available in PDF format for free download. These ncert book chapter wise questions and answers are very helpful for CBSE exam. CBSE recommends NCERT books and most of the questions in CBSE exam are asked from NCERT text books. Class 8 Science chapter wise NCERT solution for Class 8 Science all the chapters can be downloaded from our website and myCBSEguide mobile app for free.<\/p>\n<p style=\"text-align: center;\"><strong>NCERT solutions for Science\u00a0Pollution of Air and Water <a class=\"button\" href=\"https:\/\/mycbseguide.com\/downloads\/cbse-class-08-science\/1466\/ncert-solutions\/5\/\">Download as PDF<\/a><\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/media-mycbseguide.s3.ap-south-1.amazonaws.com\/images\/blog\/08_Science_Book.jpg\" alt=\"NCERT Solutions for Class 8 Science Pollution of Air and Water\" width=\"170\" height=\"211\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"NCERT_Class_8_Science_Chapter_wise_Solutions\"><\/span>NCERT Class 8 Science Chapter wise Solutions<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>1 \u2013 Crop Production and Management<\/li>\n<li>2 \u2013 Microorganisms : Friend and Foe<\/li>\n<li>3 \u2013 Synthetic Fibres and Plastics<\/li>\n<li>4 \u2013 Materials : Metals and Non-Metals<\/li>\n<li>5 \u2013 Coal and Petroleum<\/li>\n<li>6 \u2013 Combustion and Flame<\/li>\n<li>7 \u2013 Conservation of Plants and Animals<\/li>\n<li>8 \u2013 Cell \u2013 Structure and Functions<\/li>\n<li>9 \u2013 Reproduction in Animals<\/li>\n<li>10 \u2013 Reaching The Age of Adolescence<\/li>\n<li>11 \u2013 Force and Pressure<\/li>\n<li>12 \u2013 Friction<\/li>\n<li>13 \u2013 Sound<\/li>\n<li>14 \u2013 Chemical Effects of Electric Current<\/li>\n<li>15 \u2013 Some Natural Phenomena<\/li>\n<li>16 \u2013 Light<\/li>\n<li>17 \u2013 Stars and The Solar System<\/li>\n<li>18 \u2013 Pollution of Air and Water<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"NCERT_Solutions_for_Class_8_Science_Pollution_of_Air_and_Water\"><\/span>NCERT Solutions for Class 8 Science Pollution of Air and Water<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h6 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"Class%E2%80%93VIII_Science_NCERT_SOLUTION\"><\/span><strong>Class\u2013VIII Science NCERT SOLUTION<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<div>\n<h6 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"Ch-18_Pollution_of_air_and_water\"><\/span><strong>Ch-18 Pollution of air and water<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<h6><span class=\"ez-toc-section\" id=\"1_What_are_the_different_ways_in_which_water_gets_contaminated\"><\/span><strong>1. What are the different ways in which water gets contaminated?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p><strong>Ans. <\/strong>Water gets contaminated due to the addition of substances harmful to health. Sewage, agricultural chemicals and industrial wastes are some of the major contaminants of water.<\/p>\n<hr \/>\n<h6><span class=\"ez-toc-section\" id=\"2_At_an_individual_level_how_can_you_help_reduce_air_pollution\"><\/span><strong>2. At an individual level, how can you help reduce air pollution?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p><strong>Ans. <\/strong>At an individual level we can help in reducing air pollution by following methods:<\/p>\n<p><strong>(i)<\/strong> We can plant trees and nurture the ones already present in the neighborhood.<\/p>\n<p><strong>(ii)<\/strong> We can take part in Van Mahotsava actively and effectively every year and motivate people about the importance of plantation.<\/p>\n<p><strong>(iii)<\/strong> We can educate the people against burning the dried leaves and plant and advise them to put them in compost pit.<\/p>\n<hr \/>\n<p style=\"text-align: center;\">NCERT Solutions for Class 8 Science Pollution of Air and Water<\/p>\n<h6><span class=\"ez-toc-section\" id=\"3_Clear_transparent_water_is_always_fit_for_drinking_Comment\"><\/span><strong>3. Clear, transparent water is always fit for drinking. Comment.<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p><strong>Ans. <\/strong>No, clear and transparent water even without smell, may contain bacteria, viruses etc. which are not visible to eyes. Drinking such water can cause illness of various kinds. Therefore, we must drink purified and potable water after boiling.<\/p>\n<hr \/>\n<p style=\"text-align: center;\">NCERT Solutions for Class 8 Science Pollution of Air and Water<\/p>\n<h6><span class=\"ez-toc-section\" id=\"4_You_are_a_member_of_the_municipal_body_of_your_town\"><\/span><strong>4. You are a member of the municipal body of your town.<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p><strong>Make a list of measures that would help your town to ensure the supply of clean water to all its residents.<\/strong><\/p>\n<p><strong>Ans. <\/strong>The following steps could be taken:<\/p>\n<p><strong>(a)<\/strong> First of all, procurement of required amount of water for all residents should be ensured.<\/p>\n<p><strong>(b)<\/strong> Wastage of water by leakage at various places should be taken into account.<\/p>\n<p><strong>(c)<\/strong> Water treatment should be ensured.<\/p>\n<p><strong>(d)<\/strong> Must have sufficient water tanker to meet emergency situations.<\/p>\n<hr \/>\n<h6><span class=\"ez-toc-section\" id=\"5_Explain_the_differences_between_pure_air_and_polluted_air\"><\/span><strong>5. Explain the differences between pure air and polluted air.<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p><strong>Ans. <\/strong>Pure air is free from any pollutant, has no smell, is soothing and not irritating to eyes. Whereas polluted air gives a filthy smell and people cannot breathe in it. If people inhale such air, they may suffer from various breathing, heart and lung problems. Even sometimes people die inhaling polluted air.<\/p>\n<hr \/>\n<p style=\"text-align: center;\">NCERT Solutions for Class 8 Science Pollution of Air and Water<\/p>\n<h6><span class=\"ez-toc-section\" id=\"6_Explain_circumstances_leading_to_acid_rain_How_does_acid_rain_affect_us\"><\/span><strong>6. Explain circumstances leading to acid rain. How does acid rain affect us?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p><strong>Ans. <\/strong>Gases like sulphur dioxide and nitrogen dioxide react with water vapour present in atmosphere to form Sulphuric acid and nitric acid. These acids come down with rain water, making the rain acidic. This is known as acid rain.<\/p>\n<p>Acid rain corrodes the marbles of the monuments. This phenomenon is known as Marble Cancer. It also kills the useful organism in agricultural soil.<\/p>\n<hr \/>\n<p style=\"text-align: center;\">NCERT Solutions for Class 8 Science Pollution of Air and Water<\/p>\n<h6><span class=\"ez-toc-section\" id=\"7_Which_of_the_following_is_not_a_green_gas\"><\/span><strong>7. Which of the following is not a green gas?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p><strong>(a) Carbon dioxide<\/strong><\/p>\n<p><strong>(b) Sulphur dioxide<\/strong><\/p>\n<p><strong>(c) Methane <\/strong><\/p>\n<p><strong>(d) Nitrogen<\/strong><\/p>\n<p><strong>Ans. <\/strong>(b) Sulphur dioxide.<\/p>\n<hr \/>\n<h6><span class=\"ez-toc-section\" id=\"8_Describe_the_%E2%80%98Green_House_Effect_in_your_own_words\"><\/span><strong>8. Describe the \u2018Green House Effect\u2019 in your own words. <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p><strong>Ans. <\/strong>The Sun\u2019s rays when fall on the earth\u2019s surface, warm i. some of the Sun\u2019s rays are trapped by the atmosphere and these and not allowed to go out of the earth\u2019s atmosphere. These trapped heat cause warming of atmosphere called greenhouse effect. The gases like methane and carbon dioxide form a thick layer and prevent the escaping of heat to cause this effect. Due to greenhouse effect the global warming is happening.<\/p>\n<hr \/>\n<p style=\"text-align: center;\">NCERT Solutions for Class 8 Science Pollution of Air and Water<\/p>\n<h6><span class=\"ez-toc-section\" id=\"9_Prepare_a_brief_speech_on_global_warming_You_have_to_deliver_the_speech_in_your_class\"><\/span><strong>9. Prepare a brief speech on global warming. You have to deliver the speech in your class.<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p><strong>Ans. <\/strong>Today, global warming has appeared as one of the most sever threat to the human beings. One hand, carbon dioxide is added in the atmosphere due to human activities. On the other hand, the forest area are decreasing day by day. It leads to an increase in the amount of carbon dioxide in atmosphere. The accumulation of this gas causing greenhouse effect and global warming.<\/p>\n<p>Global warming can create the melting of ice of icebergs, resulting in rise in the sea level causing the flooding of many coastal areas. So, we must be aware of this problem and take every possible step to tackle it.<\/p>\n<hr \/>\n<p style=\"text-align: center;\">NCERT Solutions for Class 8 Science Pollution of Air and Water<\/p>\n<h6><span class=\"ez-toc-section\" id=\"10_Describe_the_threat_to_the_beauty_of_the_%E2%80%98Taj_Mahal\"><\/span><strong>10. Describe the threat to the beauty of the \u2018Taj Mahal\u2019.<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p><strong>Ans. <\/strong>The Taj Mahal is made of white marble, which is getting affected adversely due to the industrial pollutants from Agra, Mathura etc. the sulphur dioxide gas along with nitrogen oxide gas released from these industries mix with rain water to form Sulphuric acid that fall on marble of this monument. The acid rain corrodes the marbles and makes it yellowish.<\/p>\n<p>This is a matter of great concern that world famous monument like Taj Mahal may get damaged due to the pollutants emitted by factories around it.<\/p>\n<hr \/>\n<p style=\"text-align: center;\">NCERT Solutions for Class 8 Science Pollution of Air and Water<\/p>\n<h6><span class=\"ez-toc-section\" id=\"11_Why_does_the_increased_level_of_nutrients_in_the_water_affect_the_survival_of_aquatic_organisms\"><\/span><strong>11. Why does the increased level of nutrients in the water affect the survival of aquatic organisms?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p><strong>Ans. <\/strong>Agriculture relies on the use of chemical fertilizers to improve the crop yield. All these chemicals dissolve in water and run into water bodies from the fields. These seep into the ground and pollute the ground water. Lot of algae in the ponds grow and keep the ponds green. This is caused due to excessive quantities of chemicals like nitrates and phosphorous present in fertilsers. Excessive growth of algae decrease the oxygen level of water bodies and kills the other aquatic animals living inside it.<\/p>\n<hr \/>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"NCERT_solutions_for_Class_8_Science\"><\/span>NCERT solutions for Class 8 Science<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>NCERT Solutions Class 8 Science PDF (Download) Free from myCBSEguide app and myCBSEguide website. Ncert solution class 8 Science includes text book solutions from Class 8 Science Book . NCERT Solutions for CBSE Class 8 Science have total 18 chapters. 8 Science NCERT Solutions in PDF for free Download on our website. Ncert Social Science class 8 solutions PDF and Science ncert class 8 PDF solutions with latest modifications and as per the latest CBSE syllabus are only available in myCBSEguide.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"CBSE_app_for_Students\"><\/span>CBSE app for Students<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>To download\u00a0NCERT Solutions for class 8 Social Science, Computer Science, Home Science,Hindi ,English, Maths Science do check myCBSEguide app or website. myCBSEguide provides sample papers with solution, test papers for chapter-wise practice, NCERT solutions, NCERT Exemplar solutions, quick revision notes for ready reference, CBSE guess papers and CBSE important question papers. Sample Paper all are made available through\u00a0<a href=\"https:\/\/play.google.com\/store\/apps\/details?id=in.techchefs.MyCBSEGuide&amp;referrer=utm_source%3Dmycbse_bottom%26utm_medium%3Dtext%26utm_campaign%3Dmycbseads\"><strong>the best app for CBSE students<\/strong><\/a>\u00a0and myCBSEguide websit<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>NCERT Solutions for Class 8 Science Pollution of Air and Water Class 8 Science book solutions are available in PDF format for free download. These ncert book chapter wise questions and answers are very helpful for CBSE exam. CBSE recommends NCERT books and most of the questions in CBSE exam are asked from NCERT text &#8230; <a title=\"NCERT Solutions for Class 8 Science Pollution of Air and Water\" class=\"read-more\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-8-science-pollution-of-air-and-water\/\" aria-label=\"More on NCERT Solutions for Class 8 Science Pollution of Air and Water\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":-1,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[281,1383],"tags":[283,1523,216,349],"class_list":["post-4780","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ncert-solutions","category-science-cbse-class-08","tag-cbse-study-material","tag-class-8","tag-ncert-solutions","tag-science"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>NCERT Solutions for Class 8 Science Pollution of Air and Water<\/title>\n<meta name=\"description\" content=\"NCERT Solutions for Class 8 Science Pollution of Air and Water in PDF format for free download. 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