This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry – Quiz 50 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry Quiz 50 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. These are needed for building and repairing tissues and supporting immune function. A) Lipids. B) Carbohydrates. C) Proteins. D) Nucleic Acids. Show Answer Correct Answer: C) Proteins. 2. Which of these processes releases carbon dioxide? A) Dissolving in sea water. B) Combustion of fossil fuels. C) Plants being eaten by animals. D) None of the above. Show Answer Correct Answer: B) Combustion of fossil fuels. 3. The maximum prescribed concentration of copper in drinking water is(a) 0.05 ppm(b) 3 ppm(c) 5 ppm(d) 0.5 ppm A) A. B) B. C) C. D) D. Show Answer Correct Answer: B) B. 4. Fine sulfate aerosols can cause: A) Skin burns. B) Respiratory irritation and asthma. C) Heart disease. D) Visual problems only. Show Answer Correct Answer: B) Respiratory irritation and asthma. 5. Which of the following substances is considered a strong base? A) Lemon juice. B) Distilled water. C) Drain cleaner. D) Milk. Show Answer Correct Answer: C) Drain cleaner. 6. What is the difference between acute and chronic toxicity? A) Acute toxicity means it's not toxic, and chronic toxicity means it's very toxic. B) Acute toxicity is very fast, and chronic toxicity means it's very slow. C) There is absolutely no different-just different names. D) Acute toxicity means natural death, chronic toxicity means death by complication. Show Answer Correct Answer: B) Acute toxicity is very fast, and chronic toxicity means it's very slow. 7. Pollution of automobile exhausts that affects nervous system and produces mental diseases is A) Lead. B) Mercury. C) Nitric oxide. D) Sulphur dioxide. Show Answer Correct Answer: A) Lead. 8. Which will dissolve faster? Crushed table salt or a cube of table salt. Assume they have an equal mass. A) Crushed table salt. B) Crystal of table salt. C) All the above. D) None of the above. Show Answer Correct Answer: A) Crushed table salt. 9. What is the main environmental concern associated with the use of nitrogen-based fertilizers? A) Water pollution. B) Air pollution. C) Soil erosion. D) Deforestation. Show Answer Correct Answer: A) Water pollution. 10. Gases such as water vapour and carbon dioxide that trap heat near Earth are known as ..... A) Blanket gases. B) Greenhouse gases. C) Proxy gases. D) Warming gases. Show Answer Correct Answer: B) Greenhouse gases. 11. This atmospheric compound is critical to the planet in its protection against UV radiation, but when found close to the ground is part of photochemical smog that can cause serious health problems. A) Particulate matter. B) Carbon monoxide. C) Stratospheric ozone. D) Tropospheric ozone. Show Answer Correct Answer: D) Tropospheric ozone. 12. Any undesired change in air, water, or soil quality that has negative effects on the living things around it is called A) Pollution. B) Sustainability. C) Ecological footprint. D) Environmental science. Show Answer Correct Answer: A) Pollution. 13. Which of these increases your carbon footprint? A) Using solar panels. B) Planting trees. C) Long hot showers. D) Cycling. Show Answer Correct Answer: C) Long hot showers. 14. What gas is always produced when a metal reacts with water? A) Oxygen. B) Carbon Dioxide. C) Hydrogen. D) Carbon Monoxide. Show Answer Correct Answer: C) Hydrogen. 15. Electromagnetic energy enters and heat leaves A) Closed system. B) Open system. C) Isolated system. D) Adiabatic system. Show Answer Correct Answer: A) Closed system. 16. All are used in treatment of phosphorous poisoning except A) KMnO4. B) CuSO4. C) Castor Oil. D) Vitamin K. Show Answer Correct Answer: C) Castor Oil. 17. Which process is primarily responsible for the depletion of the ozone layer? A) Combustion of fossil fuels. B) Release of chlorofluorocarbons (CFCs). C) Photosynthesis. D) Respiration. Show Answer Correct Answer: B) Release of chlorofluorocarbons (CFCs). 18. Which oxides are known to contribute to the greenhouse effect and form acids when reacting with moisture in the air? A) Oxides of carbon, nitrogen, and sulfur. B) Oxides of hydrogen and oxygen. C) Oxides of nitrogen and phosphorus. D) Oxides of sulfur and phosphorus. Show Answer Correct Answer: A) Oxides of carbon, nitrogen, and sulfur. 19. AMDAL pertama kali diterapkan di dunia melalui NEPA (1969). Dampak historis dari kebijakan ini bagi negara lain adalah ..... A) Negara-negara menjadi wajib membangun industri kimia. B) Negara-negara meniru prinsip penilaian dampak sebelum pembangunan. C) Negara-negara melarang pembangunan infrastruktur besar. D) Negara diwajibkan menggunakan metode spektrofotometri dalam AMDAL. Show Answer Correct Answer: B) Negara-negara meniru prinsip penilaian dampak sebelum pembangunan. 20. An ..... is when algae grows exponentially due to fertilizer runoff. A) Algal bloom. B) Anoxic conditions. C) Plant bloom. D) Turbidity. Show Answer Correct Answer: A) Algal bloom. 21. Why is H2O2 used for bleaching clothes in the process of laundary? A) Gives better result. B) Reduces waste. C) Makes use of lesser amount of water. D) Both A and C. Show Answer Correct Answer: D) Both A and C. 22. Baja karbon rendah memiliki kadar karbon hingga ..... A) 0, 15%. B) 0, 30%. C) 0, 50%. D) 0, 70%. Show Answer Correct Answer: A) 0, 15%. 23. Which ore is used to extract aluminium? A) Haematite. B) Galena. C) Bauxite. D) Magnetite. Show Answer Correct Answer: C) Bauxite. 24. What is the primary purpose of scrubbers in industrial settings as described? A) To measure pH in wastewater. B) To reduce sulfur dioxide emissions by converting it into useful products like gypsum. C) To increase dissolved oxygen in rivers. D) To capture carbon monoxide from vehicles. Show Answer Correct Answer: B) To reduce sulfur dioxide emissions by converting it into useful products like gypsum. 25. Neutral particle in the nucleus of an atom A) Neutron. B) Proton. C) Electron. D) Positron. Show Answer Correct Answer: A) Neutron. ← 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