Environmental Chemistry: Atmosphere Quiz

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  • 1/10 Questions

    The ozone layer is found in?

    • The troposphere
    • The mesosphere
    • The thermosphere
    • The stratosphere
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About This Quiz

Explore key atmospheric concepts with the 'Environmental Chemistry: Atmosphere Quiz'. Assess your understanding of atmospheric composition, stratospheric temperatures, causes of acidic rain, the role of gases, and the ozone layer. This quiz is essential for learners focusing on environmental science and chemistry.

Environmental Chemistry: Atmosphere Quiz - Quiz

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  • 2. 

    Which is /are responsible for acidic rain?

    • SO2

    • NO2

    • SO2 and NO2

    • O3

    Correct Answer
    A. SO2 and NO2
    Explanation
    SO2 and NO2 are responsible for acidic rain because they are both primary pollutants released into the atmosphere through human activities such as burning fossil fuels. When these pollutants mix with water vapor in the atmosphere, they form sulfuric acid (H2SO4) and nitric acid (HNO3) respectively. These acids then combine with rainwater to form acidic rain, which can have harmful effects on the environment, including damage to plants, aquatic life, and infrastructure. O3, also known as ozone, is not responsible for acidic rain.

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  • 3. 

    Most air pollution is caused by?

    • Ozone

    • Acid rain

    • Carbon monoxide

    • The burning of fossil fuels

    Correct Answer
    A. The burning of fossil fuels
    Explanation
    The burning of fossil fuels is the main cause of air pollution. When fossil fuels such as coal, oil, and natural gas are burned for energy, they release harmful pollutants into the air, including carbon dioxide, sulfur dioxide, nitrogen oxides, and particulate matter. These pollutants contribute to smog, acid rain, and the formation of ground-level ozone, which can have detrimental effects on human health and the environment. Therefore, the burning of fossil fuels is a major contributor to air pollution.

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  • 4. 

    Which layer is closest to the Earth?

    • The stratosphere

    • The troposphere

    • The mesosphere

    • The thermosphere

    Correct Answer
    A. The troposphere
    Explanation
    The troposphere is the layer closest to the Earth. It is the lowest layer of the Earth's atmosphere and extends from the surface up to an average height of about 8-15 kilometers. This layer is where weather phenomena occur, such as clouds, storms, and the majority of the Earth's air mass. It is also where humans and other living organisms reside. The other layers mentioned (stratosphere, mesosphere, and thermosphere) are located above the troposphere, at higher altitudes.

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  • 5. 

    Which gas has the highest percentage in the air?

    • O2

    • CO2

    • N2

    • O3

    Correct Answer
    A. N2
    Explanation
    N2, or nitrogen gas, has the highest percentage in the air. It makes up about 78% of the Earth's atmosphere. O2, or oxygen gas, is the second most abundant gas, accounting for approximately 21% of the air. CO2, or carbon dioxide, and O3, or ozone, are present in much smaller quantities.

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  • 6. 

    The outermost layer of the earth atmosphere is:

    • The mesosphere

    • The stratosphere

    • The troposphere

    • The thermosphere

    Correct Answer
    A. The thermosphere
    Explanation
    The thermosphere is the correct answer because it is the outermost layer of the Earth's atmosphere. It is located above the mesosphere and extends from about 80 kilometers above the Earth's surface to the exosphere. The thermosphere is characterized by high temperatures and low densities, and it is where the International Space Station orbits the Earth.

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  • 7. 

    The stratosphere extends up to?

    • 12 km

    • 15 km

    • 50 km

    • 80 km

    Correct Answer
    A. 50 km
    Explanation
    The stratosphere is a layer of the Earth's atmosphere that extends from about 12 km to 50 km above the Earth's surface. It is located above the troposphere and below the mesosphere. In the stratosphere, the temperature increases with altitude due to the presence of the ozone layer. This layer plays a crucial role in absorbing and filtering harmful ultraviolet radiation from the Sun. Therefore, the correct answer is 50 km, as it represents the upper boundary of the stratosphere.

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  • 8. 

    The lowest temperature in stratosphere is?

    • -5 0C

    • -55 0C

    • 5 0C

    • 55 0C

    Correct Answer
    A. -55 0C
    Explanation
    The correct answer is -55 0C. The stratosphere is the layer of the Earth's atmosphere above the troposphere and it is known for containing the ozone layer. The temperature in the stratosphere decreases with increasing altitude. -55 0C is the lowest temperature in the stratosphere, indicating that it gets colder as you move higher up in this layer of the atmosphere.

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  • 9. 

    Troposphere extends up to

    • 50 km

    • 12 km

    • 18 km

    • 80 km

    Correct Answer
    A. 12 km
    Explanation
    The troposphere is the lowest layer of the Earth's atmosphere, extending from the surface up to an average height of about 12 kilometers. It is where weather phenomena occur, such as clouds, precipitation, and most of the Earth's temperature variations. Above the troposphere, the stratosphere begins, which contains the ozone layer and extends up to about 50 kilometers. Therefore, the correct answer is 12 km, as it marks the upper boundary of the troposphere.

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  • 10. 

    Which is the reddish brown gas?

    • NO

    • NO2

    • SO2

    • O3

    Correct Answer
    A. NO2
    Explanation
    NO2 is the reddish brown gas.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jan 07, 2021
    Quiz Created by
    Themes
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