This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry – Quiz 16 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry Quiz 16 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the relationship between the Green legacy, Global warming, and climate change in Ethiopia? A) The Green legacy initiative has no impact on climate change. B) The Green legacy initiative aims to combat climate change through tree planting. C) Climate change is a natural phenomenon. D) Global warming is not influenced by tree planting. Show Answer Correct Answer: B) The Green legacy initiative aims to combat climate change through tree planting. 2. When water turns into a gas A) Condensation. B) Evaporation. C) Precipitation. D) None of the above. Show Answer Correct Answer: B) Evaporation. 3. Which statement about water quality monitoring is accurate? A) Clear water always indicates healthy water quality. B) Water quality is measured using biological indicators and chemical factors. C) Water quality can only be assessed by measuring pH. D) Only smell is used to determine water quality. Show Answer Correct Answer: B) Water quality is measured using biological indicators and chemical factors. 4. Positively charged subatomic particle in the nucleus of an atom A) Proton. B) Electron. C) Neutron. D) Positron. Show Answer Correct Answer: A) Proton. 5. During a study of remote western Canadian lakes, Mr. Kwong was confused by his discovery that although the rain in his study area was acidic, the lake water was of normal pH. What could you tell him that would best explain this discrepancy? A) The lake bottom contains carbonate rock. B) The lake had been limed several years earlier. C) Acid rain does not affect large lakes due to dilution effects. D) Fresh water was continuing to run into the lake. Show Answer Correct Answer: A) The lake bottom contains carbonate rock. 6. How does pH affect the solubility of pollutants in water? A) All pollutants are equally soluble regardless of pH. B) PH has no effect on pollutant solubility in water. C) Higher pH always increases the solubility of all pollutants. D) PH influences the solubility of pollutants by affecting their ionization, with acidic pollutants being more soluble in low pH and basic pollutants in high pH. Show Answer Correct Answer: D) PH influences the solubility of pollutants by affecting their ionization, with acidic pollutants being more soluble in low pH and basic pollutants in high pH. 7. What is the result of mixing an acid and a base? A) Acid and water. B) Base and salt. C) Salt and water. D) Acid and base. Show Answer Correct Answer: C) Salt and water. 8. What can be toxic? A) Coffee. B) Water. C) Juice. D) All of these options. Show Answer Correct Answer: D) All of these options. 9. The Earth acts like a greenhouse that catches and traps heat from the sun. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 10. Lime treatment of lakes is used to: A) Lower pH further. B) Neutralize acidity. C) Remove algae. D) Oxidize metals. Show Answer Correct Answer: B) Neutralize acidity. 11. Which natural process removes carbon dioxide from the atmosphere? A) Forest fires. B) Volcanic eruptions. C) Cellular respiration. D) Photosynthesis. Show Answer Correct Answer: D) Photosynthesis. 12. What are the objectives of the session on some chemical industries in Ethiopia focusing on soap and detergents? A) To list some manufacturing industries in Ethiopia. B) To describe terms like soap, detergent, saponification, hard soap, and soft soap. C) To explain the methods and chemical processes involved in manufacturing fertilizers. D) To comprehend the importance of industrial chemistry to human life. Show Answer Correct Answer: B) To describe terms like soap, detergent, saponification, hard soap, and soft soap. 13. The reaction, H$_{2}$O + hv $\rightarrow$ HO$^{*}$ + H, represents A) The formation of hydroxyl radical at higher altitudes. B) Formation of the hydroxyl radical in the relatively unpolluted troposphere. C) The strong reactivity of the hydroxyl radical. D) Destruction of the hydroxyl radical at higher altitude. Show Answer Correct Answer: A) The formation of hydroxyl radical at higher altitudes. 14. When rain is accompanied by a thunder storm, the collected rain water will have a pH value A) Slightly lower than that of rain water without thunderstorm. B) Slightly higher than that when the thunderstorm is not there. C) Uninfluenced by occurrence of thunderstorm. D) Which depends on the amount of dust in air. Show Answer Correct Answer: A) Slightly lower than that of rain water without thunderstorm. 15. In voltaic cells, reduction happens at the A) Anode. B) Salt bridge. C) Cathode. D) Voltmeter. Show Answer Correct Answer: C) Cathode. 16. Formation of photochemical smog takes place generally in A) Winter during day time. B) Summer during day time. C) Summer during morning time. D) Winter during morning time. Show Answer Correct Answer: C) Summer during morning time. 17. Air pollutants which are emitted directly into the atmosphere from an identifiable source are said to be A) Primary pollutants. B) VOCs. C) Aerosols. D) All. Show Answer Correct Answer: A) Primary pollutants. 18. The outcome variable to be measured A) Dependent variable. B) Independent variable. C) Control variable. D) Extraneous variable. Show Answer Correct Answer: A) Dependent variable. 19. Which of the following is an example of an organic nutrient? A) Water. B) Carbohydrates. C) Minerals. D) Vitamins. Show Answer Correct Answer: B) Carbohydrates. 20. Dalam konteks analisis kimia, mengapa RPL sangat penting dalam pemantauan dampak? A) RPL menggantikan kebutuhan analisis laboratorium. B) RPL memastikan parameter kimia dipantau secara berkala untuk memverifikasi mitigasi. C) RPL berfungsi hanya untuk mengevaluasi aspek sosial. D) RPL menilai dampak ekonomi proyek. Show Answer Correct Answer: B) RPL memastikan parameter kimia dipantau secara berkala untuk memverifikasi mitigasi. 21. Bagaimana polutan industri mempengaruhi kualitas air? A) Polutan industri meningkatkan kualitas air dengan menyaring kotoran. B) Polutan industri tidak berpengaruh pada kualitas air atau ekosistem. C) Polutan industri bermanfaat bagi kehidupan akuatik dan kesehatan manusia. D) Polutan industri merusak kualitas air dengan memperkenalkan zat beracun yang membahayakan ekosistem akuatik dan kesehatan manusia. Show Answer Correct Answer: D) Polutan industri merusak kualitas air dengan memperkenalkan zat beracun yang membahayakan ekosistem akuatik dan kesehatan manusia. 22. Chemicals that have a bitter taste or slippery feel are usually A) Acids. B) Bases. C) Catalysts. D) Enzymes. Show Answer Correct Answer: B) Bases. 23. An organic nutrient that does not dissolve in water and is involved in energy storage A) Carbohydrate. B) Vitamin. C) Lipid. D) Protein. Show Answer Correct Answer: C) Lipid. 24. What is the adverse effect of carbon monoxide on human health? A) Enhances oxygen absorption. B) Causes drowsiness. C) Prevents hemoglobin from carrying oxygen. D) Strengthens the immune system. Show Answer Correct Answer: C) Prevents hemoglobin from carrying oxygen. 25. Electrostatic precipitators can be used to remove this type of air pollutant. A) Volatile organic compounds. B) Sulfur dioxide. C) Particulate matter. D) Ground level ozone. Show Answer Correct Answer: C) Particulate matter. ← PreviousNext →Related QuizzesClass 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry Quiz 1Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry Quiz 2Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry Quiz 3Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry Quiz 4Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry Quiz 5Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry Quiz 6Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry Quiz 7Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry Quiz 8Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry Quiz 9Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books