This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry – Quiz 44 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry Quiz 44 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Clear-looking lake water can still be unsafe because A) Clarity always means high dissolved oxygen. B) Some pollutants have strong colors that make water appear clear. C) It may contain acid or harmful chemicals that prevent life from thriving. D) Clear water has no microorganisms. Show Answer Correct Answer: C) It may contain acid or harmful chemicals that prevent life from thriving. 2. In an experiment, a scientist measures the pH of rainwater in an industrial area and finds it to be 4.5. What does this indicate about the rainwater? A) It is neutral. B) It is slightly acidic. C) It is highly acidic. D) It is basic. Show Answer Correct Answer: C) It is highly acidic. 3. Utilizing existing knowledge base for reducing chemical hazards along with developmental activities is the foundation of A) Collection and disposal. B) Waste management. C) Sustainable development. D) Green chemistry. Show Answer Correct Answer: D) Green chemistry. 4. Students investigated:'Does the temperature of the hydrochloric acid affect the time taken for its reaction with magnesium?'What is the independent variable in this investigation? A) Time. B) Temperature. C) Concentration. D) Surface area. E) Yes. Show Answer Correct Answer: B) Temperature. 5. What is PAN A) Peroxide Acetic Nitrite. B) Peroxy acetyl Nitrate. C) Perbenzyl Actetyl nitric oxide. D) Phenyl acetic Nitrate. Show Answer Correct Answer: B) Peroxy acetyl Nitrate. 6. What is acid rain primarily caused by? A) Natural evaporation. B) SO2 and NOx emissions. C) Plant respiration. D) Water vapor condensation. Show Answer Correct Answer: B) SO2 and NOx emissions. 7. Which of the following is the most common source of carbon monoxide (CO): A) Vehicle emissions. B) Swamp gases. C) Industrial sources. D) Solar panels. Show Answer Correct Answer: A) Vehicle emissions. 8. Which of the following is a sample of active transport? A) Movement of oxygen from alveoli into red blood cell. B) Movement of water across cell membrane. C) Plant root absorbing mineral ions from the soil. D) Uptake of water by the root hair of the plant. Show Answer Correct Answer: C) Plant root absorbing mineral ions from the soil. 9. Renewable energy includes: A) Petrol. B) Coal. C) Wind. D) Diesel. Show Answer Correct Answer: C) Wind. 10. What does pH measure in a solution? A) The mass of dissolved solids per liter. B) How acidic or basic water or other solutions are, ranging from 0 to 14. C) The amount of oxygen present in air. D) The concentration of nitrogen oxides. Show Answer Correct Answer: B) How acidic or basic water or other solutions are, ranging from 0 to 14. 11. Acid deposition includes: A) Only rainfall. B) Both wet and dry forms of acidic pollutants. C) Only gaseous pollutants. D) Snowfall only. Show Answer Correct Answer: B) Both wet and dry forms of acidic pollutants. 12. An undesired change in air, water, or soil that adversely (badly) affects the health, survival, or activities of any organism. A) Loss of biodoversity. B) Pollution. C) Resource depletion. D) None of the above. Show Answer Correct Answer: B) Pollution. 13. When cold water containing temporary hardness is heated, an insoluble substance precipitates out of the water. What is the formula for this insoluble precipitate? A) CaCO$_{3}$. B) CaCO3. C) CO$_{2 }$. D) H$_{2}$O. Show Answer Correct Answer: A) CaCO$_{3}$. 14. Which statement about monitoring water quality is accurate? A) Clear water is always safe because it supports abundant life. B) Biological indicators like aquatic invertebrates and microorganisms help assess water health because different species thrive in different conditions. C) Dissolved oxygen does not affect aquatic ecosystems. D) Water quality is irrelevant to crops and animals. Show Answer Correct Answer: B) Biological indicators like aquatic invertebrates and microorganisms help assess water health because different species thrive in different conditions. 15. Used on factory stacks to remove gases and particulate. A) Filters. B) Emission reducers. C) Scrubbers. D) Filter Strips. Show Answer Correct Answer: C) Scrubbers. 16. Clean Air Act amendments (U.S., 1990) targeted reduction of: A) CO2. B) SO2 and NOx. C) CH4. D) H2S. Show Answer Correct Answer: B) SO2 and NOx. 17. What is the source of sulfur? A) The source of sulfur is bananas and apples. B) The source of sulfur is outer space. C) The source of sulfur is underwater sea creatures. D) The source of sulfur is volcanic eruptions, industrial processes, and natural gas production. Show Answer Correct Answer: D) The source of sulfur is volcanic eruptions, industrial processes, and natural gas production. 18. What is a common misconception about air pollution? A) Air pollution does not impact respiratory health. B) Air pollution only affects outdoor air quality. C) Air pollution is a localized problem. D) Air pollution is caused by natural sources only. Show Answer Correct Answer: B) Air pollution only affects outdoor air quality. 19. How does deforestation contribute to climate change? A) Deforestation decreases atmospheric CO2 levels and increases carbon absorption. B) Deforestation has no impact on climate change or carbon levels. C) Deforestation contributes to climate change by increasing atmospheric CO2 levels and reducing carbon absorption. D) Deforestation helps to cool the planet by increasing tree cover. Show Answer Correct Answer: C) Deforestation contributes to climate change by increasing atmospheric CO2 levels and reducing carbon absorption. 20. A solution with a pH of 8.6 would be a(n) A) Acid. B) Base. C) Neutral. D) Acid and Base. Show Answer Correct Answer: B) Base. 21. Many monomers connected together creates a ..... A) Polymer. B) Polysaccharide. C) Monochain. D) Product. Show Answer Correct Answer: A) Polymer. 22. Identify a method to decrease the dissolving rate of a solution: A) Decrease the temperature. B) Add KE. C) Stir the solution. D) Increase the temperature. Show Answer Correct Answer: A) Decrease the temperature. 23. T/F:Pollutants can travel through both the air (wind) and water. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 24. Stainless steel is an alloy commonly used for cutlery primarily because it ..... A) Is magnetic. B) Is lighter than mild steel. C) Does not corrode. D) Is a pure compound. Show Answer Correct Answer: C) Does not corrode. 25. What is the principal source of contamination of surface water and groundwater? A) Natural sources. B) Urban runoff. C) Agricultural runoff. D) Industrial sources. Show Answer Correct Answer: C) Agricultural runoff. ← 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