Environmental Chemistry Test Online Mcqs Preparation Environmental Chemistry Test Online Mcqs Preparation With Answers Start Below 123456789101112131415Show paginator Hide paginator 7% Question 1 of 15 1. The breakdown of a polymer into its constituents refers to:A. DepolymerizationB. IncinerationC. RecyclingD. TransformationQuestion 1 of 15 Loading... Question 2 of 15 2. The main advantage of recycling:A. All of the aboveB. Reduced waste volumeC. Reduced pollution hazardsD. Reduced raw material and energy costsQuestion 2 of 15 Loading... Question 3 of 15 3. Which one of the following is not a pollutantA. CO2B. NO2C. SO2D. COQuestion 3 of 15 Loading... Question 4 of 15 4. Smog forming conditions include:A. All of the aboveB. Suitable amount of sunlightC. Small air mass movementD. Sufficient NO and VOC in airQuestion 4 of 15 Loading... Question 5 of 15 5. The main cause of the reducing smog:A. Coal combustionB. Methane combustionC. Ozone deletionD. Acid rainQuestion 5 of 15 Loading... Question 6 of 15 6. Incineration of the municipal solid waste involves:A. RecyclingB. Burning between the temperature ranges of 9000 to 1000°CC. All of the aboveD. Dumping into land fillsQuestion 6 of 15 Loading... Question 7 of 15 7. Smog is essentially caused by presence ofA. O3 and N2B. Oxides of Sulphur and nitrogenC. O2 and O3D. O2 and N2Question 7 of 15 Loading... Question 8 of 15 8. Which one of the following is not affect of acid rainA. It decrease the pH of natural rainB. It leaches metals like aluminium mercury and lead from soilC. It increase the percentage of CO2 in the atmosphereD. It damages the buildingsQuestion 8 of 15 Loading... Question 9 of 15 9. Transformation of the plastics items refers to:A. None of the aboveB. DepolymerizationC. Conversion into low quality substances for latter useD. Breakdown of the plastic items into their constituentsQuestion 9 of 15 Loading... Question 10 of 15 10. Acid rainA. Effects big marble constructionsB. Retards the growth of treesC. All of theseD. Results in loss of flora and faunaQuestion 10 of 15 Loading... Question 11 of 15 11. The main cause of ozone depletion is:A. Use of CFCsB. Acid rainC. Global warmingD. None of the aboveQuestion 11 of 15 Loading... Question 12 of 15 12. The best and the most recommended technology for solid waste management isA. IncinerationB. Dumping into land fillsC. Treatment before incinerationD. RecyclingQuestion 12 of 15 Loading... Question 13 of 15 13. The serious disadvantages of incineration process:A. Both b and cB. Cause of an acid rainC. Cheap and simple methodD. Highly unclean process with the emission of effluent gases like CH4 and CO2Question 13 of 15 Loading... Question 14 of 15 14. Some O2 is present in water. The water will be considered as “polluted water” when concentration of O2 in it will be:A. Greater than 8 ppmB. 4 – 8 ppmC. Greater than 4 ppmD. Less than 4 ppmQuestion 14 of 15 Loading... Question 15 of 15 15. He normal amount of overhead ozone isA. 300 DUB. 450 DUC. 350 DUD. 400 DUQuestion 15 of 15 Loading... Loading... Related Study Posts:MDCAT Test Chemistry Test Online PreparationASF Written Test Preparation Online McqsFPSC SST Test Preparation Mcqs OnlineOnline ECAT Test Preparation McqsPPSC Lecturer Test Preparation Online McqsLecturer Test KPPSC Preparation Mcqs OnlineSPSC SST Test Preparation Mcqs Online with SyllabusFPSC Test Preparation Mcqs Online Subject WiseIB Pakistan NTS Jobs 2025 Online Test Preparation McqsMDCAT Test Preparation Online Related Syllabus Mcqs
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