This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry Quiz 12 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the purpose of the student exit survey mentioned in the document? A) To collect feedback. B) To enroll in a new course. C) To apply for a job. D) To register for an event. Show Answer Correct Answer: A) To collect feedback. 2. The inverse measure of the hydronium ions placed into a scale A) PH. B) POH. C) Molarity. D) Conductivity. Show Answer Correct Answer: A) PH. 3. What is the pH value of a neutral substance like water? A) 0. B) 7. C) 14. D) 10. Show Answer Correct Answer: B) 7. 4. Human activity is adding additional greenhouse gases to the amount that are in the atmosphere naturally A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 5. Acid rain indirectly affects human health through: A) Contaminated food and water. B) Noise pollution. C) UV exposure. D) Radiation. Show Answer Correct Answer: A) Contaminated food and water. 6. Complete the sentence.A substance that is more basic has a ..... pH than a substance that is acidic. A) Lower. B) Higher. C) The same. D) None of the above. Show Answer Correct Answer: B) Higher. 7. A chemical causing symptoms after only one exposure is said to have A) Acute toxicity. B) Chronic toxicity. C) Symptomatic toxicity. D) An LD50 of 1. Show Answer Correct Answer: A) Acute toxicity. 8. Which of the following gases is present in the lowest concentration in dry air? A) Hydrogen. B) Neon. C) Krypton. D) Oxygen. Show Answer Correct Answer: A) Hydrogen. 9. Which process in the water cycle involves the conversion of water from a liquid to a gas? A) Condensation. B) Precipitation. C) Evaporation. D) Infiltration. Show Answer Correct Answer: C) Evaporation. 10. Movement of molecules from an area of high concentration to an area of low concentration (no energy is required) A) Diffusion. B) Active transport. C) Osmosis. D) Hydrolysis. Show Answer Correct Answer: A) Diffusion. 11. Why can't we just eat soil to get the minerals we need? A) Soil contains harmful bacteria and parasites. B) Soil is not digestible by the human body. C) Soil lacks the essential nutrients in the right proportions. D) All of the above. Show Answer Correct Answer: D) All of the above. 12. What is the name of the atmospheric process which keeps the Earth warm by absorbing radiation from the Sun? A) Global warming. B) Greenhouse effect. C) Ozone depletion. D) None of the above. Show Answer Correct Answer: B) Greenhouse effect. 13. Which indicates a better water quality, a high or a low BOD? A) A low BOD. B) A high BOD. C) Both high and low BOD. D) BOD does not indicate water quality. Show Answer Correct Answer: A) A low BOD. 14. Eutrophication is when ..... A) A body of water gets too much nutrients. B) A body of water gets overpopulated with fish. C) A body of water gets polluted by point-sources. D) The amount of water decreased from a lake or pond. Show Answer Correct Answer: A) A body of water gets too much nutrients. 15. The natural process between the sun, the atmosphere and the Earth is called the A) Greenhouse gas. B) Carbon emission. C) Earth's temperature. D) Greenhouse effect. Show Answer Correct Answer: D) Greenhouse effect. 16. Bobby observed that a metal trash can was covered with rust. What type of weathering caused the rust on the trash can? A) Mechanical weathering. B) Wind weathering. C) Chemical weathering. D) Erosion weathering. Show Answer Correct Answer: C) Chemical weathering. 17. What does the 'N' in N-P-K fertilizer stand for? A) A) Nitrogen. B) B) Phosphorous. C) C) Potassium. D) None of the above. Show Answer Correct Answer: A) A) Nitrogen. 18. Which of the following is not affected by air pollution? A) Aquatic animals. B) Ecosystem. C) Crops. D) None. Show Answer Correct Answer: D) None. 19. A scientists is testing the quality of the water of a river near them. He takes 2 tests, 12 months apart. They found the amount of worm population has decreased between these times. They are using the worms as a ..... A) Chemical indicator. B) Microbiological indicator. C) Biological indicator. D) Aquatic invertebrate. Show Answer Correct Answer: C) Biological indicator. 20. Paper saturated with a chemical to show whether a substance is acidic or basic A) BHA paper. B) Acid-base paper. C) PH paper. D) Latimus paper. Show Answer Correct Answer: C) PH paper. 21. Acid deposition accelerates corrosion of: A) Limestone and marble. B) Granite. C) Plastic. D) Glass. Show Answer Correct Answer: A) Limestone and marble. 22. What is the pH value of a solution that is neutral? A) Less than 7. B) Greater than 7. C) Equal to 7. D) Equal to 0. Show Answer Correct Answer: C) Equal to 7. 23. Which of the following are not real processes. A) Bioremediation. B) Phytodegration. C) Biodegration. D) Phytroremediation. Show Answer Correct Answer: B) Phytodegration. 24. Petunjuk:Pilihlah jawaban yang paling tepat dengan memberi tanda silang (X) pada huruf A, B, C, atau D!Logam yang mengandung unsur besi (Fe) disebut sebagai ..... A) Logam non-ferro. B) Logam berat. C) Logam ferro. D) Logam anorganik. Show Answer Correct Answer: C) Logam ferro. 25. How is algae important for the ecology of our planet? A) Producers in the food web. B) It filters the water to make it clean. C) Helps make carbon dioxide. D) Makes the ocean cooler. Show Answer Correct Answer: A) Producers in the food web. ← 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