This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry Quiz 1 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The atmospheric lifetime of SO2 is typically: A) Few hours to days. B) Several months. C) Years. D) Seconds. Show Answer Correct Answer: A) Few hours to days. 2. Students investigated:'Does the concentration of the hydrochloric acid affect the volume of hydrogen gas collected?'What is the dependent variable in this investigation? A) Time. B) Temperature. C) Concentration. D) Surface area. Show Answer Correct Answer: A) Time. 3. The largest gaseous component of the atmosphere A) Oxygen. B) Carbondioxide. C) Nitrogen. D) Watervapour. Show Answer Correct Answer: B) Carbondioxide. 4. *Which of the following do the Safety Data Sheets (SDS) NOT tell you A) *chemical composition. B) *chemical features. C) *handling precautions. D) *methods to use the chemical. Show Answer Correct Answer: D) *methods to use the chemical. 5. One of the main purposes of carbohydrates is to: A) Energy storage. B) Building blocks of cells. C) Carry genetic information. D) Provide energy and help with cellular structure. Show Answer Correct Answer: D) Provide energy and help with cellular structure. 6. A neutralization reaction will always produce ..... A) Water & salt. B) Water. C) Salt. D) Water & carbon. Show Answer Correct Answer: A) Water & salt. 7. Increased greenhouse gases cause: A) Less sunlight. B) Global dimming. C) Trapped heat. D) Fewer crops. Show Answer Correct Answer: C) Trapped heat. 8. Which greenhouse gas has the highest heat-trapping ability per molecule? A) Carbon dioxide. B) Methane. C) Water vapor. D) Oxygen. Show Answer Correct Answer: B) Methane. 9. CH$_{3}$COO$_{2}$ + NO$_{2}$ + M $\rightarrow$ CH$_{3}$COOONO$_{2}$ + M is an example of A) Initiation reaction. B) Termination reaction. C) Photolysis reaction. D) Propagation reaction. Show Answer Correct Answer: B) Termination reaction. 10. Which of the following processes is primarily responsible for the breakdown of pollutants in the environment? A) Photolysis. B) Biodegradation. C) Biomagnification. D) Deposition. Show Answer Correct Answer: B) Biodegradation. 11. A rock containing iron is soft, crumbly, reddish in color. It's been chemically weathered by ..... A) Carbon Dioxide. B) Oxygen. C) Nitrogen. D) Sulfer. Show Answer Correct Answer: B) Oxygen. 12. A substrate is: A) The surface or material on which an organism lives or moves. B) A nutrient needed in large amounts for growth. C) A compound that feels slippery and has pH greater than 7. D) A harmful change to the environment. Show Answer Correct Answer: A) The surface or material on which an organism lives or moves. 13. The starches and sugars found in foods; especially in plant based foods. They are the main source of energy. A) Fat. B) Protein. C) Carbohydrates. D) Nutrients. Show Answer Correct Answer: C) Carbohydrates. 14. What environmental element assists rusting? A) Nitrogen. B) Carbon. C) Oxygen. D) Hydrogen. Show Answer Correct Answer: C) Oxygen. 15. Two compounds that contribute to acid rain and smog ..... A) Carbon dioxide/sulfur dioxides. B) Carbon dioxide/nitrogen oxides. C) Sulfur dioxide/nitrogen oxides. D) Ozone/sulfur dioxide. Show Answer Correct Answer: C) Sulfur dioxide/nitrogen oxides. 16. Burning fossil fuels releases this into the air A) Nitrous oxide. B) Nitrate. C) Nitrogen gas (N2). D) Methane. Show Answer Correct Answer: A) Nitrous oxide. 17. Which product is NOT produced in incomplete combustion? A) Water. B) Carbon dioxide. C) Carbon monoxide. D) Carbon. Show Answer Correct Answer: B) Carbon dioxide. 18. Which are examples of chemical indicators used to evaluate water quality? A) PH, dissolved oxygen, phosphorus, and nitrogen levels. B) Water clarity alone. C) Presence of red snow algae. D) Organic molecules such as lipids and proteins. Show Answer Correct Answer: A) PH, dissolved oxygen, phosphorus, and nitrogen levels. 19. Which heavy metal is most toxic in its vapor form? A) Lead. B) Arsenic. C) Mercury. D) Cadmium. Show Answer Correct Answer: C) Mercury. 20. Which gas is commonly associated with global warming? A) Carbon dioxide. B) Nitrogen. C) Oxygen. D) Hydrogen. Show Answer Correct Answer: A) Carbon dioxide. 21. Imaginary line around the middle of the Earth at an equal distance from the North Pole and the South Pole A) Equator. B) Angular momentum. C) Coriolis force. D) Meridian. Show Answer Correct Answer: A) Equator. 22. How do greenhouse gases contribute to global warming? A) Greenhouse gases trap heat in the Earth's atmosphere by absorbing and emitting infrared radiation, leading to global warming. B) Greenhouse gases deplete the ozone layer, causing cooling. C) Greenhouse gases have no impact on global temperatures. D) Greenhouse gases cool the Earth's atmosphere by reflecting sunlight away. Show Answer Correct Answer: A) Greenhouse gases trap heat in the Earth's atmosphere by absorbing and emitting infrared radiation, leading to global warming. 23. What technologies are used to control air pollution? A) Emission control systems, air quality monitoring systems, scrubbers, filters, catalytic converters. B) Heating systems. C) Refrigeration systems. D) Air conditioning units. Show Answer Correct Answer: A) Emission control systems, air quality monitoring systems, scrubbers, filters, catalytic converters. 24. All of the following of greenhouse gases EXCEPT ..... A) Water Vapour. B) Carbon Dioxide. C) Nitrogen Oxides. D) Hydrogen. Show Answer Correct Answer: D) Hydrogen. 25. Which of the following is the most reactive in water? A) Lithium. B) Sodium. C) Potassium. D) None of the above. Show Answer Correct Answer: C) Potassium. Next →Related QuizzesClass 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 10Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books