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MCQ Questions for Class 8 Science Chapter 18 Pollution of Air and... 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This is why you remain in the best website to look the incredible ebook to have. Water containing high salt concentration can be purified by. Among the following, the only secondary pollutant is: (a) Sulphur tetraoxide. What is the residence time (average time a particle is active in a given system) of carbon monoxide? a) Pellegra. Which element is present in the exhaust of automobiles? Which of the following is major source of water pollution? Carbon monoxide in vehicle exhaust causes, (a) Increased oxygen carrying capacity of RBCs, (b) Reduced Nitrogen carrying capacity of RBCs, (c) Reduced oxygen carrying capacity of RBCs, (d) Reduced carbon carrying capacity of RBCs, Answer: (c) Reduced oxygen carrying capacity of RBCs, The gas used in refrigerating appliance causing serious damage to ozone is, Answer: (b) Sulphur dioxide and Nitrogen dioxide, (d) Sun’s heat is trapped and not allowed to escape, Answer: (d) Sun’s heat is trapped and not allowed to escape. 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Access Free Air Pollution Multiple Choice Questions With Answers Class 8 Science NCERT Exemplar Solutions Important MCQs of chapter 18 Pollution of Air and Water C by Kwatra Tuition Center 3 months ago 4 minutes, 58 seconds 503 views CHAPTER ‒ 18 , POLLUTION , OF , AIR , AND WATER , MULTIPLE CHOICE April 17th, 2019 - multiple choice questions and answers on environment 43 An organism which can monitor air pollution is A Fungi B Algae C Bacteria D Lichen View Answer Comment Answer Option D 44 Translocation of water is A Apoplastic B Symplastic C Both A and B D None Multiple Choice Questions on Pollution MCQ Biology Air pollution is severe in. … a. Chemical waste. Global warming. 20 seconds . b) Industrialised areas. a) Cities. A. Click here to join our FB Page and FB Group for Latest update and preparation tips and queries. Solving the Pollution of Air and Water Multiple Choice Questions of Class 8 Science Chapter 18 MCQ can be of extreme help as you will be aware of all the concepts. 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