This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry – Quiz 13 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry Quiz 13 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. If we heat a sample of water, then the amount of oxygen dissolved will increase A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 2. Which air pollutant causes acid rain? A) Oxygen. B) Sulfur dioxide. C) Methane. D) Nitrogen gas. Show Answer Correct Answer: B) Sulfur dioxide. 3. What is the main source of sulfur oxides in the atmosphere? A) Ocean waves. B) Volcanic eruptions. C) Burning fossil fuels. D) Photosynthesis. Show Answer Correct Answer: C) Burning fossil fuels. 4. Electrochemistry is the study of reactions in which charged particles (ions or electrons) cross the interface between two phases of matter, typically a metallic phase (the electrode) and a conductive solution, or electrolyte. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 5. The nutrients that act mainly as an energy source for metabolism in your body are the A) Lipids. B) Proteins. C) Carbohydrates. D) Enzymes. Show Answer Correct Answer: C) Carbohydrates. 6. Modulus elastisitas merupakan ukuran dari ..... A) Kemampuan bahan menahan panas. B) Kemampuan bahan menahan deformasi elastis akibat gaya luar. C) Kemampuan bahan menghantarkan listrik. D) Kemampuan bahan terhadap reaksi kimia. Show Answer Correct Answer: B) Kemampuan bahan menahan deformasi elastis akibat gaya luar. 7. Which statement about air quality monitoring is supported by the material? A) It only records daily pollution peaks. B) It helps identify trends, seasonal changes, and long-term effects. C) It is unnecessary when industrial emissions are low. D) It focuses solely on greenhouse gases. Show Answer Correct Answer: B) It helps identify trends, seasonal changes, and long-term effects. 8. Odourless colourless gas that is made up of 3 oxygens, primarily a concern in large cities ..... A) Carbon dioxide. B) Carbon monoxide. C) Ozone. D) Sulfur dioxide. Show Answer Correct Answer: C) Ozone. 9. What does pH indicate? A) The temperature of a solution. B) The acidity of a solution. C) The density of a solution. D) The color of a solution. Show Answer Correct Answer: B) The acidity of a solution. 10. *A neutralization reaction always produces: A) *acid and a base. B) *carbon dioxide. C) *a salt and water. D) *calcium sulfate. Show Answer Correct Answer: C) *a salt and water. 11. True or False:Carbon dioxide and monoxide are organic since they contain carbon. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 12. Why carbon monoxide is toxic to us? A) Carbon monoxide binds to hemoglobin in the blood, reducing the amount of oxygen. B) Carbon monoxide is not toxic and has no effect on the body. C) Carbon monoxide is only toxic when inhaled in large quantities. D) Carbon monoxide is only toxic to certain individuals with pre-existing conditions. Show Answer Correct Answer: A) Carbon monoxide binds to hemoglobin in the blood, reducing the amount of oxygen. 13. The most useful chemical indicators of water quality are macroinvertebrates because they are sensitive to chemicals. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 14. What is the main cause of the enhanced greenhouse effect? A) Increased solar radiation. B) Burning fossil fuels. C) Increased volcanic activity. D) Decreased oxygen levels. Show Answer Correct Answer: B) Burning fossil fuels. 15. A smoker with a high tolerance to nicotine is most likely: A) Not addicted. B) An occasional smoker. C) Experiencing withdrawal. D) Unable to quit without support. Show Answer Correct Answer: D) Unable to quit without support. 16. What are the consequences of losing biodiversity in an ecosystem? A) Improved climate regulation and balance. B) Enhanced species diversity and resilience. C) Increased food production and stability. D) Consequences include ecosystem instability, loss of services, and increased vulnerability to changes. Show Answer Correct Answer: D) Consequences include ecosystem instability, loss of services, and increased vulnerability to changes. 17. Methane is a compound containing A) 1 carbon atom and 1 hydrogen atom. B) 1 carbon atom and 2 hydrogen atoms. C) 1 carbon atom and 3 hydrogen atoms. D) 1 carbon atom and 4 hydrogen atoms. Show Answer Correct Answer: D) 1 carbon atom and 4 hydrogen atoms. 18. Which of the following statement about the LD50 is correct? A) The more toxic a substance is, the higer its LD50 would be. B) LD50 is a measurement to COMPARE the toxicity with other substances. C) LD50 stands for Lethal dose 50. D) LD50 stands for Lethal dose 50 mg/L. Show Answer Correct Answer: B) LD50 is a measurement to COMPARE the toxicity with other substances. 19. In which cells are electrical energy used to drive non-spontaneous redox reaction? A) Electrolytic. B) Anode. C) Electron. D) Galvanic. Show Answer Correct Answer: A) Electrolytic. 20. T/F:Nutrients the body needs in small amounts if called a micronutrient. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 21. What is released at the cathode during aluminium extraction? A) Aluminium. B) Oxygen. C) Hydrogen. D) Carbon dioxide. Show Answer Correct Answer: B) Oxygen. 22. The amount of oxygen required by bacteria to breakdown the organic matter present in a certain volume of a sample of water is ..... A) Eutrophication. B) Biochemical Oxygen Demand. C) Incineration. D) None of the above. Show Answer Correct Answer: B) Biochemical Oxygen Demand. 23. Which statement best explains biomagnification as presented? A) The breakdown of chemicals by sunlight. B) The build-up of hazardous chemicals in food chains, such as mercury in fish. C) The absorption of chemicals by plant roots only. D) The dilution of chemicals in air and water. Show Answer Correct Answer: B) The build-up of hazardous chemicals in food chains, such as mercury in fish. 24. This type of solutions tastes bitter. A) Acids. B) Bases. C) None of the following. D) Acids & Bases. Show Answer Correct Answer: B) Bases. 25. Which natural source contributes to air pollution? A) Vehicle exhaust. B) Industrial emissions. C) Forest fires. D) Plastic waste. Show Answer Correct Answer: C) Forest fires. ← 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