This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry – Quiz 45 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry Quiz 45 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. T/F:Water vapor is a greenhouse gas A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 2. In electrolytic cells, oxidation happens at the A) Anode. B) Salt bridge. C) Cathode. D) Voltmeter. Show Answer Correct Answer: C) Cathode. 3. Which of the following is a harmful effect of smog? A) Improved air quality. B) Respiratory diseases. C) Increased oxygen levels. D) Cooling of the atmosphere. Show Answer Correct Answer: B) Respiratory diseases. 4. A process in which one or more atoms of a substance rearrange to form one or more new substances A) Chemical reaction. B) Physical change. C) Nuclear fusion. D) Evaporation. Show Answer Correct Answer: A) Chemical reaction. 5. Apa saja metode umum untuk menilai kontaminasi tanah? A) Monitoring kualitas udara. B) Pemeriksaan visual tanaman. C) Penguji kualitas air. D) Metode umum untuk menilai kontaminasi tanah termasuk pengambilan sampel tanah dan analisis laboratorium, teknik penyaringan lapangan, dan metode geofisika. Show Answer Correct Answer: D) Metode umum untuk menilai kontaminasi tanah termasuk pengambilan sampel tanah dan analisis laboratorium, teknik penyaringan lapangan, dan metode geofisika. 6. Phosphate can get into water because of what substances causing water pollution? A) Cleaning products. B) Fertilizer. C) Sewage. D) All of these options. Show Answer Correct Answer: D) All of these options. 7. In the reaction HCl + NaOH $\rightarrow$ H2O + NaCl, what role does NaOH play? A) Acid. B) Base. C) Salt. D) Water. Show Answer Correct Answer: B) Base. 8. The practice of growing, breeding, and caring for plants and animals that are used for food, clothing, housing, etc. A) Farming. B) Agriculture. C) Horticulture. D) Zoology. Show Answer Correct Answer: B) Agriculture. 9. What does phosphorus do to help a growing plant? A) Leaf growth. B) Root growth. C) Fruit growth. D) None of the above. Show Answer Correct Answer: B) Root growth. 10. Algae blooms are an abundance of harmful organisms caused by ..... A) Too much sunlight. B) Too much nutrients from agricultural runoff. C) Water that is too cold. D) Water that is too warm. Show Answer Correct Answer: B) Too much nutrients from agricultural runoff. 11. Which region is most affected by climate change? A) Deserts. B) Polar regions. C) Rainforests. D) Grasslands. Show Answer Correct Answer: B) Polar regions. 12. Describe the effects of heavy metals on aquatic ecosystems. A) Heavy metals improve water quality and clarity in aquatic systems. B) Heavy metals negatively impact aquatic ecosystems by causing toxicity, disrupting biological functions, and bioaccumulating in the food chain. C) Heavy metals have no effect on aquatic life and ecosystems. D) Heavy metals enhance aquatic biodiversity and promote growth. Show Answer Correct Answer: B) Heavy metals negatively impact aquatic ecosystems by causing toxicity, disrupting biological functions, and bioaccumulating in the food chain. 13. In the law of conservation of energy: A) Energy can be created but not destroyed. B) Energy can be destroyed but not created. C) Energy cannot be created or destroyed. D) Energy can be both created and destroyed. Show Answer Correct Answer: C) Energy cannot be created or destroyed. 14. Nutrients in rivers are usually caused by ..... A) Chemical fertilizers. B) Industrial Pollution. C) Pollution from oil washed off roads. D) Soil Erosion. Show Answer Correct Answer: A) Chemical fertilizers. 15. A chemical used to target and control grasshoppers A) Insecticide. B) Pesticide. C) Herbicide. D) Fungicide. Show Answer Correct Answer: A) Insecticide. 16. What is the main source of sulfur oxides in the air? A) Coal (fossil fuel) burning power plants. B) Burning forests and biomass. C) Motor Vehicles. D) Evaporation of VOCs. Show Answer Correct Answer: A) Coal (fossil fuel) burning power plants. 17. How does switching off unused lights help? A) Reduces electricity use. B) Adds oxygen to the air. C) Increases heat. D) Stores light. Show Answer Correct Answer: A) Reduces electricity use. 18. Deforestation contributes to greenhouse gases by A) Loss of trees that would otherwise remove carbon dioxide from the air. B) Burning wood releases carbon dioxide. C) Both are correct. D) None of the above. Show Answer Correct Answer: C) Both are correct. 19. A fertilizer plant is located in an area where the weather is dominated by northeasterly winds (winds from the northeast). The fertilizer plant will most likely have the least environmental impact on a town if the plant were located A) West of the town. B) East of the town. C) Northeast of the town. D) Southwest of the town. Show Answer Correct Answer: D) Southwest of the town. 20. An alteration of the environment is considered pollution if A) It causes immediate harm to living things in that environment. B) The concentration of harmful chemicals is easy to detect. C) It produces a condition that is harmful to living things. D) The concentration of a pollutant exceeds its LD50. Show Answer Correct Answer: C) It produces a condition that is harmful to living things. 21. What is the colour of anhydrous copper(II) sulfate? A) White. B) Blue. C) Green. D) Pink. Show Answer Correct Answer: A) White. 22. A scale that measures the acidity or alkalinity of a substance A) PH paper. B) Cabbage juice. C) PH scale. D) Richter scale. Show Answer Correct Answer: C) PH scale. 23. All of the following are important uses of Nitrogen EXCEPT: A) Plant growth. B) Animal growth. C) Fertilizer. D) Algae blooms. Show Answer Correct Answer: D) Algae blooms. 24. Why is monitoring carbon dioxide and ozone levels worldwide important? A) They have no impact on climate and health. B) They influence the enhanced greenhouse effect and UV protection, affecting global warming and ozone depletion. C) They only affect local air quality near factories. D) They are useful solely for predicting rainfall. Show Answer Correct Answer: B) They influence the enhanced greenhouse effect and UV protection, affecting global warming and ozone depletion. 25. A device used in factories to reduce oxide emissions A) Converter. B) Indicator. C) Cleaner. D) Scrubber. Show Answer Correct Answer: D) Scrubber. ← 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