This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry – Quiz 51 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry Quiz 51 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Apa tujuan dari Undang-Undang Air Bersih? A) Untuk mengatur dan melindungi kualitas air di Amerika Serikat. B) Untuk menghilangkan semua regulasi air di AS. C) Untuk meningkatkan harga air bagi konsumen. D) Untuk mempromosikan pembuangan limbah industri ke sungai. Show Answer Correct Answer: A) Untuk mengatur dan melindungi kualitas air di Amerika Serikat. 2. Acid rain decreases soil fertility by: A) Increasing nitrogen levels. B) Leaching basic cations (Ca2+, Mg2+). C) Adding phosphorus. D) Forming humus. Show Answer Correct Answer: B) Leaching basic cations (Ca2+, Mg2+). 3. Principles or standards we hold important A) Values. B) Rules. C) Habits. D) Preferences. Show Answer Correct Answer: A) Values. 4. A substance that has a pH value of more than 7 A) Indicator. B) Acid. C) Base. D) Water. Show Answer Correct Answer: C) Base. 5. In an experiment to measure the acidity of rainwater, which of the following pH values would indicate the most acidic sample? A) PH 7. B) PH 5. C) PH 3. D) PH 9. Show Answer Correct Answer: C) PH 3. 6. Which amongst the following is a protoplasmic poison A) Iodine. B) Powdered glass. C) Lead. D) None of the above. Show Answer Correct Answer: A) Iodine. 7. Which of these is NOT a part of the photochemical smog? A) Sulphur Dioxide. B) Hydrocarbons. C) Nitrogen oxides. D) None of the above. Show Answer Correct Answer: A) Sulphur Dioxide. 8. What are the four most common elements in your body? A) Oxygen, Carbon, Hydrogen, Nitrogen. B) Calcium, Iron, Magnesium, Zinc. C) Sodium, Potassium, Chlorine, Phosphorus. D) Helium, Neon, Argon, Krypton. Show Answer Correct Answer: A) Oxygen, Carbon, Hydrogen, Nitrogen. 9. The dissolved oxygen concentration of a pond is 8 ppm by volume. This level of dissolved oxygen indicates that 8 mL of oxygen is found in A) 1 000 000 mL of water. B) 10 000 mL of water. C) 1 000 mL of water. D) 100 mL of water. Show Answer Correct Answer: A) 1 000 000 mL of water. 10. What is the primary environmental concern associated with the use of chlorofluorocarbons (CFCs)? A) Water pollution. B) Soil degradation. C) Ozone layer depletion. D) Acid rain. Show Answer Correct Answer: C) Ozone layer depletion. 11. HBr is an example of a(n) A) Acid. B) Base. C) Neutral. D) None of the above. Show Answer Correct Answer: A) Acid. 12. How does eutrophication cause the death of aquatic organisms A) The build up of carbon dioxide in the water. B) The lack of nitrogen in the water. C) The lack of carbon dioxide in the water. D) The lack of oxygen in the water. Show Answer Correct Answer: D) The lack of oxygen in the water. 13. Nitrate and Sulphate are the nutrients that are washed into the water A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: B) FALSE. 14. Fertilizer from agricultural run-off can enter nearby streams and lakes. One effect that this has on the water environment is that ..... A) The water is poisoned. B) The oxygen content of the water drops. C) Aquatic plant growth decreases. D) Fish and other large animals increase in population. Show Answer Correct Answer: B) The oxygen content of the water drops. 15. Jenis besi cor yang digunakan untuk komponen mesin bersuhu tinggi seperti sistem knalpot atau turbocharger adalah ..... A) White cast iron. B) Grey cast iron. C) Ductile cast iron. D) Compacted cast iron. Show Answer Correct Answer: A) White cast iron. 16. How do catalytic converters reduce vehicle emissions? A) Catalytic converters increase fuel efficiency by enhancing combustion. B) Catalytic converters reduce vehicle emissions by converting harmful pollutants into less harmful substances. C) Catalytic converters filter out all types of emissions completely. D) Catalytic converters recycle exhaust gases back into the engine. Show Answer Correct Answer: B) Catalytic converters reduce vehicle emissions by converting harmful pollutants into less harmful substances. 17. Stirring the solution increases the rate of dissolution (rate of dissolving). A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 18. A student hiking in a rock area on a mountain notices that wide, deep cracks have formed in some of the large rocks. Some of the cracks are so large that the rocks have broken apart. Which process most likely caused these rocks to crack and creak? A) Erosion by wind. B) Water freezing and thawing. C) Erosion by fast-moving. D) Sediments being deposited. Show Answer Correct Answer: B) Water freezing and thawing. 19. Which set lists key air pollutants commonly monitored for air quality? A) Sulfur dioxide, nitrogen oxides, carbon monoxide, carbon dioxide, and ground-level ozone. B) Water vapor, oxygen, nitrogen gas, and helium. C) Methane, argon, neon, and hydrogen. D) Phosphorus, potassium, calcium, and sodium. Show Answer Correct Answer: A) Sulfur dioxide, nitrogen oxides, carbon monoxide, carbon dioxide, and ground-level ozone. 20. What do scientists think the effect will be of having more greenhouse gases in our atmosphere? A) More warming of the atmosphere. B) More cooling of the atmosphere. C) More air in the atmosphere. D) Less air in the atmosphere. Show Answer Correct Answer: A) More warming of the atmosphere. 21. Weed, insect, and fungus pests can be controlled by applying specific pesticides called (in the correct order) A) DDT, dieldrin, and fungicides. B) Herbicides, and insecticides. C) Fungicides, herbicides, and insecticides. D) Herbicides, insecticides, and fungicides. Show Answer Correct Answer: D) Herbicides, insecticides, and fungicides. 22. Organic compound that is made up of glycerol and 3 fatty acids ..... A) Carbohydrate. B) Lipids. C) Proteins. D) Amino acids. Show Answer Correct Answer: B) Lipids. 23. The irritation of eyes from acid fog is due to: A) SO2 and NO2 dissolved in moisture. B) O3. C) CO2. D) CO. Show Answer Correct Answer: A) SO2 and NO2 dissolved in moisture. 24. What is the importance of the mesosphere? A) It absorbs UV radiation. B) It contains the ozone layer. C) It burns up meteors. D) It is the hottest layer. Show Answer Correct Answer: C) It burns up meteors. 25. A fire uses which gas to burn? A) Carbon dioxide. B) Oxygen. C) Helium. D) None of the above. Show Answer Correct Answer: B) Oxygen. ← 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