Order PDF of any content from our website with a little minor Fee to donate for hard work. Online MCQs are fully free but PDF books are paid. For details: contact whatsapp +923028700085 Important notes based PDF Books are available in very little price, starting from 500/-PKR; Order Now: contact whatsapp +923028700085

Environmental Chemistry MCQs

30 Score: 0 Attempted: 0/30 Subscribe
1. : Which gas is mainly responsible for acid rain?





2. : The major pollutant released by automobiles is?





3. : Which chemical is primarily responsible for ozone layer depletion?





4. : BOD in water analysis stands for?





5. : Which pollutant is mainly responsible for photochemical smog?





6. : Which metal is a major contaminant of groundwater in some regions of South Asia?





7. : The main greenhouse gas emitted by human activities is?





8. : Which isotope is commonly used to study radioactive pollution?





9. : Which chemical is used in water treatment for disinfection?





10. : Eutrophication of lakes is mainly caused by excess?





11. : PAN (Peroxyacetyl nitrate) is a major component of?





12. : Which heavy metal causes “Minamata disease”?





13. : Which gas is used as a refrigerant and contributes to ozone depletion?





14. : The chemical formula of ozone is?





15. : Which pollutant causes “blue baby syndrome”?





16. : Which of the following is the main source of indoor air pollution in developing countries?





17. : Which gas contributes most to the greenhouse effect after carbon dioxide?





18. : The pH of normal rainwater is approximately?





19. : Which heavy metal causes “Itai-Itai disease”?





20. : Which pollutant is mainly responsible for global warming?





21. : Which chemical is used to remove hardness of water?





22. : The term COD in water analysis stands for?





23. : Which gas is responsible for the pungent smell after lightning?





24. : Which is the main pollutant from burning coal?





25. : Which radioactive element caused pollution in Chernobyl disaster?





26. : Which chemical is used in sewage treatment to kill bacteria?





27. : Which air pollutant causes respiratory disease “silicosis”?





28. : Greenhouse gases trap which type of radiation?





29. : Which gas is known as laughing gas and also contributes to global warming?





30. : Which pollutant is the major cause of smog in cities?





Contents Copyrights Reserved By T4Tutorials