This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry Quiz 3 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is observed when sodium hydroxide is added to a solution containing copper ions? A) Blue precipitate. B) Brown precipitate. C) Yellow flame. D) White precipitate. Show Answer Correct Answer: A) Blue precipitate. 2. Dry deposition refers to: A) Acidic gases and particles settling out of the air. B) Acidic rainfall. C) Snowfall and fog. D) Dust storm activity. Show Answer Correct Answer: A) Acidic gases and particles settling out of the air. 3. How are oceans formed? A) The Earth cooled down causing the water vapor in the atmosphere to condense to liquid water. B) The Earths temperature increased causing the water vapor in the atmosphere to condense to liquid water. C) The Earths temperature increased causing the water vapor in the atmosphere to evaporate. D) The Earth cooled down causing plants to photosynthesis. Show Answer Correct Answer: A) The Earth cooled down causing the water vapor in the atmosphere to condense to liquid water. 4. Ellen grabs a topsoil sample in her hand. She rolls it into a ball. The soil feels gritty and the ball falls apart. What part of the topsoil most likely made the topsoil feel gritty? A) Clay. B) Sand. C) Silt. D) Humus. Show Answer Correct Answer: B) Sand. 5. What is the name of the process that uses electricity to separate the elements in a compound? A) Reduction. B) Electrolysis. C) Extraction. D) Mining. Show Answer Correct Answer: B) Electrolysis. 6. Which of the following is a primary air pollutant? A) Peroxyacyl nitrate. B) Ozone. C) Photochemical smog. D) Carbon monoxide. Show Answer Correct Answer: D) Carbon monoxide. 7. What process is used to extract reactive metals like aluminium? A) Combustion. B) Digestion. C) Electrolysis. D) Reduction. Show Answer Correct Answer: C) Electrolysis. 8. What is one way humans add chemicals to the environment? A) By planting trees. B) Through the disposal of waste products or pollutants. C) By conserving water. D) Through the use of renewable energy. Show Answer Correct Answer: B) Through the disposal of waste products or pollutants. 9. Plants are useful in managing pollution because they A) Absorb, concentrate, and store pollutants. B) Use pollutants as an energy source. C) Transport air pollutants into the soil. D) Move soil pollutants to the air. Show Answer Correct Answer: A) Absorb, concentrate, and store pollutants. 10. Halogenated solvent is replaced by ..... for dry cleaning A) H2O2. B) CO2. C) CO. D) H2O. Show Answer Correct Answer: B) CO2. 11. Which pair correctly matches pH ranges with substance types found in nature? A) Acids pH > 7; Bases pH < 7. B) Acids pH < 7; Bases pH > 7. C) Acids pH = 7; Bases pH = 0. D) Acids pH between 0 and 14; Bases pH between 0 and 14. Show Answer Correct Answer: B) Acids pH < 7; Bases pH > 7. 12. When sodium hydrogen carbonate (baking soda) enters the stomach, it reacts with the hydrochloric acid (HCl) in the stomach to produce table salt, water, and carbon dioxide. From this information, a conclusion that could be made is that baking soda is A) A salt. B) A base. C) An indicator. D) An acid. Show Answer Correct Answer: B) A base. 13. During which process does an atom, molecule, or ion gain one or more electrons? A) Transmutation. B) Oxidation. C) Reduction. D) Neutralization. Show Answer Correct Answer: C) Reduction. 14. What are the harmful metal compound in the natural sources of water? A) Sodium and potassium. B) Iron and copper. C) Lead and mercury. D) Aluminum and zinc. Show Answer Correct Answer: C) Lead and mercury. 15. One common way of disposing of hazardous materials is to incinerate them at very high temperatures (1200 $^\circ$C). What must be done to ensure that the problem of hazardous waste is not simply traded for the problem of air pollution? A) Exhaust gases must be scrubbed. B) Hazardous waste should be buried rather than incinerated. C) The wastes should be incinerated at lower temperatures. D) Hazardous waste should be re-used or recycled. Show Answer Correct Answer: A) Exhaust gases must be scrubbed. 16. Which part of the carbon cycle involves sunlight? A) Respiration. B) Combustion. C) Feeding. D) Photosynthesis. Show Answer Correct Answer: D) Photosynthesis. 17. Iron nails + copper oxide = A) Iron nails + copper oxide. B) Iron oxide + copper oxide. C) Iron oxide + copper. D) Magic. Show Answer Correct Answer: C) Iron oxide + copper. 18. Dalam konteks kimia lingkungan, AMDAL berfungsi sebagai "pemeriksaan kesehatan" lingkungan karena ..... A) Mengukur reaksi kimia industri setelah proyek selesai. B) Memprediksi perubahan lingkungan sebelum kegiatan dimulai. C) Hanya mengevaluasi dampak sosial tanpa analisis kimia. D) Mengganti seluruh proses laboratorium. Show Answer Correct Answer: B) Memprediksi perubahan lingkungan sebelum kegiatan dimulai. 19. An organic nutrient composed of a chain of amino acids A) Carbohydrate. B) Vitamin. C) Lipid. D) Protein. Show Answer Correct Answer: D) Protein. 20. Active Transport requires what to happen? A) Water. B) Light. C) Energy. D) Nothing. Show Answer Correct Answer: C) Energy. 21. What is a benefit of recycling plastics? A) Higher emissions. B) Waste reduction. C) Energy loss. D) Air pollution. Show Answer Correct Answer: B) Waste reduction. 22. Water regulations usually start around A) Parts per ten. B) Parts per hundred. C) Parts per thousand. D) Parts per million. Show Answer Correct Answer: D) Parts per million. 23. Water that has been treated at wastewater treatment plants is called A) Waste water. B) Effluent. C) Sewage. D) Fluent. Show Answer Correct Answer: B) Effluent. 24. Which of these is a fuel that can be obtained from crude oil? A) Diesel. B) Hydrogen. C) Wood. D) None of the above. Show Answer Correct Answer: A) Diesel. 25. What is the primary cause of the greenhouse effect in Earth's atmosphere? A) Carbon dioxide (CO2). B) Nitrogen (N2). C) Oxygen (O2). D) Argon (Ar). Show Answer Correct Answer: A) Carbon dioxide (CO2). ← 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 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 10Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books