This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry – Quiz 46 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry Quiz 46 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Catalytic converters reduce: A) NOx and CO. B) SO2 only. C) CO2. D) Hydrocarbons only. Show Answer Correct Answer: A) NOx and CO. 2. Long diseases are four times more in urban areas than in rural areas. This is due to the presence of A) SO2. B) CO2. C) N2. D) Water vapour. Show Answer Correct Answer: A) SO2. 3. Which of the following substances has a pH value closest to 6? A) Milk. B) Baking soda. C) Vinegar. D) Ammonia. Show Answer Correct Answer: A) Milk. 4. The gas leaked from a storage tank of the Union Carbide plant in Bhopal gas tragedy was(a) phosgene(b) methylisocyanate(c) methylamine(d) ammonia. A) A. B) B. C) C. D) D. Show Answer Correct Answer: B) B. 5. Which item is not listed as a material for the activity? A) Baking pan. B) Metal rod. C) Plastic spoon. D) Cotton balls. Show Answer Correct Answer: B) Metal rod. 6. Which of the following is a common source of air pollution? A) Solar panels. B) Wind turbines. C) Car exhaust. D) Hydroelectric dams. Show Answer Correct Answer: C) Car exhaust. 7. Which organisms are most vulnerable to toxins in the environment? A) Small fish. B) Large predators. C) Plants. D) Microorganisms. Show Answer Correct Answer: B) Large predators. 8. Salah satu manfaat AMDAL bagi analis kimia adalah ..... A) Memberikan dasar untuk mengidentifikasi potensi perubahan parameter kimia sebelum kegiatan berjalan. B) Memungkinkan perencanaan analisis laboratorium terhadap polutan kimia. C) Mendukung penilaian awal terhadap risiko keberadaan zat berbahaya seperti logam berat. D) Menyediakan gambaran awal mengenai karakteristik kimia lingkungan yang mungkin terpengaruh oleh aktivitas proyek. Show Answer Correct Answer: C) Mendukung penilaian awal terhadap risiko keberadaan zat berbahaya seperti logam berat. 9. Test for bromide ions is ..... A) Add hydrochloric acid. B) Add barium chloride. C) Add nitric acid then silver nitrate. D) None of the above. Show Answer Correct Answer: C) Add nitric acid then silver nitrate. 10. What are some sustainable alternatives to chemical pesticides? A) Biological control, neem oil, insecticidal soaps, crop rotation, companion planting. B) Chemical fertilizers. C) Synthetic herbicides. D) Genetically modified crops. Show Answer Correct Answer: A) Biological control, neem oil, insecticidal soaps, crop rotation, companion planting. 11. Which harmful gas is released by incomplete combustion? A) Carbon monoxide. B) Helium. C) Argon. D) Oxygen. Show Answer Correct Answer: A) Carbon monoxide. 12. Reactions that are initiated by the sun. A) Photochemical reactions. B) Photochemical oxidants. C) Volatile organic compounds. D) Combustion. Show Answer Correct Answer: A) Photochemical reactions. 13. A solution is classified as an acid when its pH is ..... and can neutralize ..... A) Greater than 7, bases. B) Greater than 7, other bases. C) Less than 7, bases. D) Less than 7, other bases. Show Answer Correct Answer: C) Less than 7, bases. 14. Things that cannot be repaired, can be ..... A) Rethink. B) Recycled. C) Reused. D) Reduced. Show Answer Correct Answer: B) Recycled. 15. Glaciers shape and carve away the land beneath them and can drastically reshape the landscape over hundreds or even thousands of years. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 16. O$_{2}$ makes up 21% of the air. What is the equilibrium concentration of O$_{2}$ in water? A) 0.273 mol/L. B) 0.000491 mol/L. C) 8.367 mg/L. D) 8.736 ppm. Show Answer Correct Answer: D) 8.736 ppm. 17. Which law of thermodynamics states that energy cannot be created or destroyed, only transformed? A) First law. B) Second law. C) Third law. D) Zeroth law. Show Answer Correct Answer: A) First law. 18. When water vapor is cooled and forms droplets of liquid water A) Condensation. B) Evaporation. C) Transpiration. D) Runoff. Show Answer Correct Answer: A) Condensation. 19. The gas leaked from a storage tank of the Union Carbide plant in Bhopal gas tragedy was A) Methyl isocyanate. B) Methylamine. C) Ammonia. D) Phosgene. Show Answer Correct Answer: A) Methyl isocyanate. 20. A special molecule that regulates chemical reactions in living organisms A) Catalyst. B) Enzyme. C) Inhibitor. D) Nutrient. Show Answer Correct Answer: B) Enzyme. 21. Which equation represents the process of photosynthesis? A) $C_6H_{12}O_6 + 6O_2 \rightarrow 6CO_2 + 6H_2O$. B) $6CO_2 + 6H_2O \rightarrow C_6H_{12}O_6 + 6O_2$. C) $2H_2 + O_2 \rightarrow 2H_2O$. D) $CH_4 + 2O_2 \rightarrow CO_2 + 2H_2O$. Show Answer Correct Answer: B) $6CO_2 + 6H_2O \rightarrow C_6H_{12}O_6 + 6O_2$. 22. Toxins are absorbed faster than they can be broken down because: A) They are more soluble in body fluids. B) The body lacks the necessary enzymes. C) They are smaller in size. D) They are more reactive. Show Answer Correct Answer: A) They are more soluble in body fluids. 23. Which of the following is a major source of sulfur dioxide (SO2) emissions? A) Volcanic eruptions. B) Photosynthesis. C) Respiration. D) Evaporation. Show Answer Correct Answer: A) Volcanic eruptions. 24. Which description correctly identifies an acid? A) A compound that dissolves in water to form a solution with a pH less than 7; often tastes sour and can be corrosive. B) A compound that dissolves in water to form a solution with a pH greater than 7; often feels slippery and can be corrosive. C) A scale used to measure how basic a solution is, where 7 is neutral. D) A compound that does not contain carbon, such as minerals and salts. Show Answer Correct Answer: A) A compound that dissolves in water to form a solution with a pH less than 7; often tastes sour and can be corrosive. 25. Which statement from the Important Ideas best explains why pollution can be a global issue? A) Cleaning up pollution uses only technology. B) Chemicals can move long distances. C) Monitoring always eliminates pollutants. D) Only local governments manage waste. Show Answer Correct Answer: B) Chemicals can move long distances. ← 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