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Pune University - SY BSc (Sem - II) VOC INDUSTRIAL CHEMIS : Paper - II, April 2010

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Total No. of Questions : 4] P516 [Total No. of Pages : 2 [3717]-243 S.Y. B.Sc. (Vocational) INDUSTRIAL CHEMISTRY VOC-222 : Industrial Pollution (Sem. - II) (Paper - II) Time : 2 Hours] [Max. Marks : 40 Instructions to candidates: 1) All questions are compulsory. 2) Figures to the right indicate full marks. 3) Draw neat diagrams wherever necessary. Q1) Answer the following questions: [16] a) Define London Smog. b) Name two pollutants in dairy wastes. c) Define night soil. d) Explain stone Leprosy in brief. e) Explain the term 'inversion of stratosphericTemperature'. f) Differentiate between temporary and permanent hardness of water. g) Define BOD. h) Distinguish between sullage and refuge. Q2) Attempt any two of the following. a) Explain reverse osmosis and give its applications. b) How is radioactivity removed from water?. c) [8] Explain the hazards of nitrogen oxides on humans. P.T.O. 1 Q3) Write notes on any two of the following. a) Pesticide pollution. b) Tannery wastes. c) Ill-effects of particulate organic matter. Q4) Explain the construction and working of the Imhoff tank. OR Describe any one biospherical cycle in detail. [3717]-243 2 [8] -2- [8]

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Additional Info : S.Y. B.Sc. Industrial Chemistry (Semister - II), VOC - 222 : Industrial Pollution (Paper - II) (New Course) (Vocational), Pune University
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