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| Chemistry 10th Chapter 14 The Atmosphere Questions Bank |
Chemistry 10th Chapter 14 The Atmosphere Solved MCQs, Short and Long Questions
Select the right Answer.
1. percent of sunlight is absorb by atmospheric gases:
2. A group of gasses that maintain the temperature of atmosphere is:
3. About 99 percent of atmosphere’s mass lies within:
4. Acid rain affects the aquatic life by clogging fish gills because of:
5. Acid rain attacks on:
6. Air has ______ percent argon in it
7. An ozone-depleting substance mainly used in/released from:
8. Atmosphere consists of_..spheres:
9. Buildings are being damaged by acid rain because it attacks:
10. Cause of global warming is:
11. Decreased ozone layer will increase infectious disease like:
12. Depending upon temperature variation, atmosphere is divided into:
13. Effects of ozone depletion are following except the one;
14. Global warming causes rising of the sea level. The cause of global warming is:
15. Global warming is because of:
16. Height above the earth surface of mesosphere is:
17. Height above the earth surface of stratosphere is:
18. Height above the earth surface of thermosphere is:
19. Height above the earth surface of troposphere is :
20. How many natural systems of Earth is divided?
21. How much energy is absorbed by atmospheric gases?
22. How much energy is absorbed by Earth?
23. In which region of atmosphere weathers occur?
24. In which sphere ozone layer depletion is found?
25. Infrared radiations emitted by the Earth are absorbed by:
26. Iron and steel structures are damaged by
27. Just Above the earth surface is:
28. Long term exposure to higher concentration of CO might causes:
29. Lower layer of atmosphere is extended upto:
30. Mid of stratosphere is composed of:
31. Normally rain water is weakly acidic because of
32. Ozone is an allotropic form of:
33. Ozone is beneficial for us as it absorbs:
34. PAN is the abbreviation of
35. Percentage of Argon in atmosphere by volume is
36. Percentage of carbon dioxide in atmosphere by volume is
37. Percentage of Nitrogen in the composition of atmosphere by volume is :
38. pH of acid rain is:
39. pH of normal rain water is:
40. Solar energy absorbed by Earth is converted into:
41. Stratosphere extends upto:
42. Temperature decreases from 17°C to -58°C regularly in the lowest layer extending upto kilometers:
43. The depletion in the Ozone layer is caused by:
44. The earths atmosphere is getting hotter because of increasing concentration of:
45. The environment is getting hotter because of increasing concentration of:
46. The harmful substances present in air are called
47. The hottest layer of atmosphere is:
48. The layers of the atmosphere are separated according to this change.
49. The major constituents of troposphere are:
50. The ozone layer lies within the:
51. The percentage of nitrogen in the air is:
52. The pH of normal rain is:
53. The process by which atmospheric nitrogen is turned into nitrates in the Soil is called:
54. The region in which ozone layer depletes is called:
55. The temperature of stratosphere at lower layer is
56. The troposphere extends from the surface of the Earth. The average height of the troposphere is:
57. Thermosphere lies beyond:
58. These pollutants are produced by various reaction of primary pollutants
59. These pollutants are the wasted or exhaust products driven out because of combustion of fossil fuels and organic matter
60. This is not a possible adverse effect of global warming:
61. This is the layer where airplanes fly:
62. This layer extend upto 50 km:
63. Wavelength of Sunlight radiation is:
64. When rain water dissolves air pollutants its pH might reduce to:
65. When wood burns in limited supply of oxygen which gas is produced:
66. Which gas protects the surface of earth from ultra violet radiations:
67. Which is not a primary pollutant?
68. Which is not a secondary pollutant?
69. Which is responsible for rise in temperature in stratosphere?
70. Which metal cause clogging of fish gills.
71. Which of the following is a prime health risk associated with greater UV radiation through the atmosphere due to depletion of ozone layer?
72. Which of the following is not a greenhouse effect?
73. Which of the following result obtain due to cutting down of trees?
74. Which one of the following is not a air pollutant:
75. Which one of the followings is not a green house effect:
76. Which one of these pollutants are not foun(doi nccar exhaust fumes?
77. Which region is next to troposphere?
Short Questions
1. CO is a hidden enemy, describe its action.
2. CO₂ is responsible for heating up atmosphere. How?
3. Comment: burning in open air is preferred.
4. Define acid rain.
5. Define atmosphere.
6. Define global warming.
7. Differentiate between primary and secondary air pollutants.
8. Enlist any four harmful effects of acid rain.
9. Enlist the effects of ozone depletion.
10. Explain the phenomenon of decreasing temperature in troposphere.
11. Give two components of acid rain.
12. How are sulphur containing compounds emitted naturally?
13. How does acid rain increase the acidity of soil?
14. How does combustion of fossil fuels in internal combustion engine produce oxides of nitrogen?
15. How does ozone layer form in stratosphere?
16. How does ozone layer protect our Earth?
17. How does the concentration of ozone in stratosphere remain nearly constant?
18. How is acid rain produced?
19. How is aquatic life affected by acid rain?
20. How is ozone layer being depleted by chlorofluorocarbons?
21. How is the temperature of atmosphere maintained?
22. How ozone layer is being depleted by chlorofluorocarbons?
23. How the mixture of NO and NO₂ gases is represented? Write its effects on environment.
24. Identify as primary or secondary air pollutant. SO₂, CH₄, HNO₃, NH₃, H₂SO₄, O₃.
25. Life on earth would have been impossible without CO₂ in environment. Justify.
26. Name the major constituents of troposphere.
27. Name three primary air pollutants.
28. Point out two serious effects of ozone depletion.
29. State the major sources of CO and CO₂ emission.
30. State the temperature ranges of four spheres of atmosphere.
31. Under normal conditions ozone concentration in stratosphere remains nearly constant. Give the reactions that maintain its balance.
32. What are pollutants? Which factors determine the severity of a pollutant?
33. What do you mean by an air pollutant?
34. What do you mean by atmosphere? Name its layers.
35. What do you mean by greenhouse effect?
36. What do you mean by incineration? What is the importance of incinerator?
37. What do you mean by ozone hole?
38. What do you mean by pollution?
39. What is biosphere?
40. What is global warming? Give its two effects.
41. What is meant by ozone? How is it formed in atmosphere?
42. What is ozone layer and where is it present?
43. What is the composition of flue gas produced during incineration of waste material?
44. What is the difference between a pollutant and contaminant?
45. What is the difference between atmosphere and environment?
46. What is the disadvantage of incineration?
47. What is the importance of stratospheric ozone?
48. What is the range of temperature of stratosphere and mesosphere?
49. What threats are to human health due to SO₂ gas as air pollutant?
50. Where does the ozone layer exist?
51. Where is the ozone layer found?
52. Which air pollutant is produced in an anaerobic decomposition of organic matter?
53. Why are plants dying day by day? Comment.
54. Why does 75 percent of the mass lie within the troposphere?
55. Why does acid rain damage buildings?
56. Why does the 75 percent of the atmospheric mass lie within the troposphere?
57. Why is CO₂ called a greenhouse gas?
58. Why is ozone depleting in atmosphere?
59. Why is the temperature of upper stratosphere higher?
60. Why is the water molecule polar?
61. Why normal rain water is slightly acidic?
62. Why should converters be used in automobile exhausts?
63. Why the flood risks are increasing?
64. Without CO₂ life on Earth would have been impossible. Comment.
65. Write composition of dry air.
66. Write down the name of stratosphere’s regions.
67. Write four natural systems of our earth.
68. Write the chemical reactions occurring in the mid of stratosphere.
69. Write two effects of acid rain.
Long Questions
1. Describe the composition of atmosphere.
2. Explain CO₂ is necessary for plants but its increasing concentration is alarming us. Why?
3. Oxides of nitrogen cause air pollution. Describe the sources of these compounds.
4. What are oxides of carbon? Write down their sources.
5. What are pollutants? Describe their types.
6. What are the characteristics of stratosphere? Why the temperature increase upwards in this sphere?
7. What is acid rain? How it is formed?
8. What is ozone? How and where it is formed? CFCs are major cause of ozone depletion. Explain.
9. What is ozone? Write the effects of ozone depletion.
10. Write a note on greenhouse effect.
11. Write a note on troposphere.
12. Write down the effects of global warming.
13. Write down the effects of presence of SO₂ in air.
14. Write the effects of acid rain.
15. Write the sources of oxides of nitrogen.