EXAMIANS
Which of the following is not an air pollutant?
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Septic tank is a(i) Settling tank(ii) Digestion tank(iii) Aeration tank
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Very small amount of air pollutants are present in stratosphere also; though most of the atmospheric pollutants are present in the troposphere. Which of the following atmospheric pollutants does not cause the ozone layer depletion in atmosphere at tremendous rate?
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Which of the following is the most active zone of atmosphere in which weathering events like rain, storm & lightning occur?
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Sulphur dioxide present in the industrial chimney exhaust gases causes
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Inhalation of silica dust by human being during hand drilling in mica mining, lead & zinc mining, silica refractory manufacture and in foundaries causes
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Main pollutants released from iron & steel industry is
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The principal gas evolved from sludge digestion tank is
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What is the major constituents of waste/polluted water discharged from textile, pulp & paper, tanning, distillary, dairy and meat packing industries?
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The widest explosive limit is of __________ , thereby making it the most explosive gas.
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