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Class 11 Chemistry (Part Ii) Chapter 14 Environmental Chemistry Quiz 1 (60 MCQs)

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1. The atmospheric lifetime of SO2 is typically:
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?
3. The largest gaseous component of the atmosphere
4. *Which of the following do the Safety Data Sheets (SDS) NOT tell you
5. One of the main purposes of carbohydrates is to:
6. Increased greenhouse gases cause:
7. Which greenhouse gas has the highest heat-trapping ability per molecule?
8. CH$_{3}$COO$_{2}$ + NO$_{2}$ + M $\rightarrow$ CH$_{3}$COOONO$_{2}$ + M is an example of
9. Which of the following processes is primarily responsible for the breakdown of pollutants in the environment?
10. A rock containing iron is soft, crumbly, reddish in color. It's been chemically weathered by .....
11. What environmental element assists rusting?
12. Two compounds that contribute to acid rain and smog .....
13. Burning fossil fuels releases this into the air
14. Which product is NOT produced in incomplete combustion?
15. Which are examples of chemical indicators used to evaluate water quality?
16. Which heavy metal is most toxic in its vapor form?
17. Which gas is commonly associated with global warming?
18. Imaginary line around the middle of the Earth at an equal distance from the North Pole and the South Pole
19. How do greenhouse gases contribute to global warming?
20. What technologies are used to control air pollution?
21. All of the following of greenhouse gases EXCEPT .....
22. Which of the following is the most reactive in water?
23. A neutralization reaction between an acid and a base creates
24. What is more dangerous LD50 of
25. These are all important greenhouse gases.
26. Which of the following matching has error?
27. Proteins that help control chemical reactions in organisms .....
28. A base is best characterized as:
29. What process converts glucose back into carbon dioxide and water while releasing energy?
30. In ..... when the water is heated then the soluble salts turns into insoluble ones and removed by filtration.
31. In the catalytic converter, which gas is removed by oxidation?
32. What are all living things made of and depend on to survive?
33. What is the most toxic form of mercury?
34. Which disease is associated with cadmium poisoning in Japan?
35. What is the most environmentally friendly way to dispose of household chemicals like cleaning agents?
36. How do changes in the ocean affect coral reefs?
37. )Intermediate compound formed in the depletion of O3 layer by chlorofluoro carbons is
38. Which of the following properties is typical of most metals?
39. What is a pesticide?
40. The fourth step of the water treatment process is .....
41. What is the main product formed along with carbon dioxide in the reaction?
42. The metals of Group 1 are commonly called the
43. What role does the ozone layer naturally play in Earth's atmosphere?
44. The use of living organisms to help clean up areas of pollution is known as
45. Rodenticides often interfere with which vitamin in the body?
46. What is the pH value of rain water and at what value does the acid rain form?
47. What is observed when sodium hydroxide is added to a solution containing copper ions?
48. Dry deposition refers to:
49. How are oceans formed?
50. What is the name of the process that uses electricity to separate the elements in a compound?
51. Which of the following is a primary air pollutant?
52. What process is used to extract reactive metals like aluminium?
53. What is one way humans add chemicals to the environment?
54. Plants are useful in managing pollution because they
55. Halogenated solvent is replaced by ..... for dry cleaning
56. Which pair correctly matches pH ranges with substance types found in nature?
57. 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
58. During which process does an atom, molecule, or ion gain one or more electrons?
59. What are the harmful metal compound in the natural sources of water?
60. 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?
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