This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry – Quiz 29 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry Quiz 29 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A chemical that changes color to indicate whether a substance is an acid or a base A) Oxidator. B) Limus. C) Indicator. D) Neutralizer. Show Answer Correct Answer: C) Indicator. 2. The scattering of a substance (pollutant) away from its source is called ..... A) Dilution. B) Displacement. C) Dispersion. D) Diffusion. Show Answer Correct Answer: C) Dispersion. 3. Polimer Nylon 66 dibuat dari kombinasi monomer ..... A) Asam adipat dan heksametilena diamina. B) Etilena glikol dan asam tereftalat. C) Propilena dan stirena. D) Asam asetat dan formaldehida. Show Answer Correct Answer: A) Asam adipat dan heksametilena diamina. 4. Which human activity is a major cause of increased carbon dioxide levels? A) Photosynthesis. B) Deforestation. C) Drinking water. D) Swimming. Show Answer Correct Answer: B) Deforestation. 5. Sulfur trioxide (SO3) reacts with water to form: A) H2SO4. B) H2SO3. C) H2O2. D) H2S. Show Answer Correct Answer: A) H2SO4. 6. Cigarettes and e-cigarettes both contain: A) Nicotine. B) Tobacco. C) Formaldehyde. D) Tar. Show Answer Correct Answer: A) Nicotine. 7. Which pollutant is most associated with respiratory diseases? A) Neon. B) Sulfur dioxide. C) Helium. D) Hydrogen. Show Answer Correct Answer: B) Sulfur dioxide. 8. *Plastic that can be broken down by sunlight is an example of: A) *phytoremediation. B) Photosynthesis. C) Photolysis. D) Biodegradation. Show Answer Correct Answer: C) Photolysis. 9. Which gas is a major contributor to the greenhouse effect? A) Nitrogen. B) Oxygen. C) Carbon dioxide. D) Neon. Show Answer Correct Answer: C) Carbon dioxide. 10. Which item is a poison? A) Cereal. B) Orange Juice. C) Bleach. D) Vinegar. Show Answer Correct Answer: C) Bleach. 11. Organisms are affected by which of these causes?A:Heavy metalsB:Phosphorus and NitrogenC:Biological indicators A) A and B. B) A and C. C) B and C. D) A, B, and C. Show Answer Correct Answer: A) A and B. 12. Although some ocean pollution is the result of natural occurrences, most pollution is related to ..... A) Global warming. B) Human activities. C) Ozone depletion. D) Upwelling. Show Answer Correct Answer: B) Human activities. 13. Which of the following rows describes what can happen to the oxygen concentration and the variety of organisms at the point in the river where the warm water is returned? A) Increases, Increases. B) Increases, Decreases. C) Decreases, Decreases. D) Decreases, Increases. Show Answer Correct Answer: C) Decreases, Decreases. 14. What is O$_{3}$? A) Oxygen. B) Ozone. C) Osmium. D) A greenhouse gas. Show Answer Correct Answer: B) Ozone. 15. Why is recycling encouraged? A) Makes fuel. B) Reduces mining. C) Uses more water. D) Increases power demand. Show Answer Correct Answer: B) Reduces mining. 16. What is a key outcome of the training module for teachers? A) To discourage scientific inquiry. B) To limit teaching methods. C) To promote environmental ignorance. D) To develop scientific inquiry skills. Show Answer Correct Answer: D) To develop scientific inquiry skills. 17. Wet deposition occurs mainly through: A) Sedimentation. B) Rain, snow, and fog. C) Evaporation. D) Condensation only. Show Answer Correct Answer: B) Rain, snow, and fog. 18. Which of the following will not undergo reaction? A) Zinc metal + zinc oxide. B) Iron metal + copper oxide. C) Zinc metal + iron oxide. D) Magnesium + iron oxide. Show Answer Correct Answer: A) Zinc metal + zinc oxide. 19. Which gas is most abundant in clean, dry air? A) Oxygen. B) Carbon dioxide. C) Nitrogen. D) Argon. Show Answer Correct Answer: C) Nitrogen. 20. Which compound is inorganic? A) SO$_{4}$. B) C$_{2}$HON$_{2}$. C) All the above. D) None of the above. Show Answer Correct Answer: A) SO$_{4}$. 21. Which of the following is secondary pollutant? A) CO2. B) N2O. C) PAN. D) SO2. Show Answer Correct Answer: C) PAN. 22. Which of the following substances is organic? A) Silicon. B) Sulfur. C) Sugar. D) Salt. Show Answer Correct Answer: C) Sugar. 23. Long term damage after repeated or continuous exposure over a long period is called ..... A) Acute Toxicity. B) Chronic Toxicity. C) Accumulated Toxicity. D) Dispersed Toxicity. Show Answer Correct Answer: B) Chronic Toxicity. 24. This fossil fuel has been created by the remains of plants and must be mined from deep within the Earth. A) Oil. B) Coal. C) Natural gas. D) Solar. Show Answer Correct Answer: B) Coal. 25. What measures can be taken to reduce pesticide runoff into water bodies? A) Implement buffer zones, use integrated pest management, apply pesticides carefully, and educate farmers. B) Install drainage systems, apply pesticides at night, and reduce crop diversity. C) Create artificial lakes, use more fertilizers, and plant invasive species. D) Increase chemical usage, ignore weather conditions, and avoid crop rotation. Show Answer Correct Answer: A) Implement buffer zones, use integrated pest management, apply pesticides carefully, and educate farmers. ← 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