Environmental Chemistry

Atmospheric Chemistry MCQs with Answers

Welcome to the Atmospheric Chemistry MCQs with Answers, it helps learners quickly identify areas for improvement in Atmospheric Chemistry Online Test.

Atmospheric chemistry is the study of chemical processes occurring in Earth’s atmosphere, focusing on the composition, reactions, and dynamics of gases and particles that influence air quality, climate, and environmental health. It plays a crucial role in understanding and addressing global challenges such as air pollution, ozone depletion, and climate change.

In an atmospheric chemistry quiz, MCQs on atmospheric chemistry typically cover topics such as the composition of the atmosphere, sources and sinks of pollutants, chemical reactions involving atmospheric species, and their impact on human health and ecosystems. Air pollution multiple choice questions explore the sources, effects, and control measures of pollutants like particulate matter, nitrogen oxides, and volatile organic compounds.

Ozone depletion MCQs delve into the chemistry of ozone-depleting substances (ODS) and their role in stratospheric ozone layer depletion, emphasizing international efforts to phase out ODS through protocols like the Montreal Protocol.

Greenhouse gases exam questions assess understanding of the role of greenhouse gases such as carbon dioxide, methane, and water vapor in the Earth’s energy balance and climate system. Atmospheric reactions MCQs focus on chemical processes in the atmosphere, including photochemical reactions and aerosol formation, influencing atmospheric composition and climate dynamics.

Atmospheric Chemistry Online Quiz

By presenting 3 options to choose from, Atmospheric Chemistry Quiz which cover a wide range of topics and levels of difficulty, making them adaptable to various learning objectives and preferences. You will have to read all the given answers of Atmospheric Chemistry Questions and Answers and click over the correct answer.

  • Test Name: Atmospheric Chemistry MCQ Quiz Practice
  • Type: Quiz Test
  • Total Questions: 40
  • Total Marks: 40
  • Time: 40 minutes

Note: Answer of the questions will change randomly each time you start the test. Practice each quiz test at least 3 times if you want to secure High Marks. Once you are finished, click the View Results button. If any answer looks wrong to you in Quiz, simply click on question and comment below that question, so that we can update the answer in the quiz section.

Atmospheric Chemistry MCQs

Atmospheric Chemistry

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1 / 40

What is the primary source of atmospheric particulate matter?

2 / 40

Which of the following is NOT a primary source of atmospheric carbon dioxide?

3 / 40

What is the primary source of anthropogenic nitrogen oxide emissions?

4 / 40

What is the primary greenhouse gas in Earth's atmosphere?

5 / 40

Which pollutant is responsible for the formation of acid rain?

6 / 40

What is the main natural source of sulfur dioxide in the atmosphere?

7 / 40

Which layer of the atmosphere is closest to the Earth's surface?

8 / 40

Which of the following is NOT a greenhouse gas?

9 / 40

What is the primary source of anthropogenic methane emissions?

10 / 40

What is the chemical formula for ozone?

11 / 40

Which layer of the atmosphere contains the ozone layer that protects Earth from ultraviolet radiation?

12 / 40

What is the main natural source of volatile organic compounds (VOCs) in the atmosphere?

13 / 40

Which of the following pollutants is a major component of industrial smog?

14 / 40

What is the process by which atmospheric carbon dioxide is absorbed by oceans and terrestrial ecosystems?

15 / 40

What is the primary source of anthropogenic carbon dioxide emissions?

16 / 40

What is the process by which atmospheric ozone is depleted in the stratosphere?

17 / 40

Which of the following pollutants is primarily responsible for the formation of acid aerosols in the atmosphere?

18 / 40

What is the primary source of atmospheric water vapor?

19 / 40

Which atmospheric layer contains the ozone layer?

20 / 40

What is the chemical formula for carbon monoxide?

21 / 40

Which of the following pollutants is primarily responsible for the formation of secondary organic aerosols in the atmosphere?

22 / 40

Which of the following is NOT a greenhouse gas?

23 / 40

What is the main natural source of carbon dioxide in the atmosphere?

24 / 40

Which pollutant is primarily responsible for smog formation in urban areas?

25 / 40

What is the process by which atmospheric nitrogen oxides are converted into nitric acid and other nitrates?

26 / 40

What is the chemical formula for ammonia?

27 / 40

Which of the following is NOT a primary air pollutant?

28 / 40

What is the primary source of anthropogenic volatile organic compound (VOC) emissions?

29 / 40

Which of the following pollutants contributes to the formation of particulate matter in the atmosphere?

30 / 40

Which of the following is NOT a primary air pollutant?

31 / 40

What is the main natural source of volatile organic compounds (VOCs) in the atmosphere?

32 / 40

What is the main natural source of nitrogen oxides in the atmosphere?

33 / 40

What is the chemical formula for nitrogen dioxide?

34 / 40

What is the process by which atmospheric nitrogen is converted into ammonia called?

35 / 40

Which pollutant is primarily responsible for the formation of ground-level ozone?

36 / 40

Which of the following pollutants is a major component of photochemical smog?

37 / 40

What is the chemical formula for sulfur dioxide?

38 / 40

What is the primary source of anthropogenic sulfur dioxide emissions?

39 / 40

What is the primary source of anthropogenic ammonia emissions?

40 / 40

What is the major source of anthropogenic carbon monoxide emissions?

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Download Certificate of Atmospheric Chemistry Test

On the end of Quiz, you can download the certificate of the quiz if you got more than 70% marks.

Atmospheric Chemistry Flashcards

What is the primary greenhouse gas in Earth's atmosphere?

Carbon dioxide (CO2)

Which of the following is NOT a primary air pollutant?

Carbon monoxide (CO)

What is the major source of anthropogenic carbon monoxide emissions?

Vehicle exhaust

Which atmospheric layer contains the ozone layer?

Stratosphere

What is the main natural source of sulfur dioxide in the atmosphere?

Volcanic eruptions

Which pollutant is responsible for the formation of acid rain?

Sulfur dioxide (SO2)

What is the process by which atmospheric nitrogen is converted into ammonia called?

Nitrogen fixation

Which of the following is NOT a greenhouse gas?

Nitrogen (N2)

What is the primary source of anthropogenic methane emissions?

Agriculture

Which layer of the atmosphere is closest to the Earth's surface?

Troposphere

What is the primary source of anthropogenic nitrogen oxide emissions?

Transportation

Which pollutant is primarily responsible for smog formation in urban areas?

Nitrogen oxides (NOx)

What is the main natural source of carbon dioxide in the atmosphere?

Respiration

Which of the following pollutants is a major component of photochemical smog?

Ozone (O3)

What is the primary source of anthropogenic volatile organic compound (VOC) emissions?

Vehicle exhaust

Which layer of the atmosphere contains the ozone layer that protects Earth from ultraviolet radiation?

Stratosphere

What is the primary source of anthropogenic sulfur dioxide emissions?

Combustion of coal

What is the chemical formula for ozone?

O3

What is the process by which atmospheric nitrogen oxides are converted into nitric acid and other nitrates?

Nitrogen oxides (NOx)

Which of the following is NOT a primary source of atmospheric carbon dioxide?

Deforestation

What is the main natural source of nitrogen oxides in the atmosphere?

Lightning

Which pollutant is primarily responsible for the formation of ground-level ozone?

Nitrogen oxides (NOx)

What is the chemical formula for nitrogen dioxide?

NO2

What is the main natural source of volatile organic compounds (VOCs) in the atmosphere?

Vegetation emissions

Which of the following is NOT a greenhouse gas?

Nitrogen dioxide (NO2)

What is the process by which atmospheric carbon dioxide is absorbed by oceans and terrestrial ecosystems?

Carbon sequestration

What is the main natural source of volatile organic compounds (VOCs) in the atmosphere?

Vegetation emissions

Which of the following is NOT a primary air pollutant?

Water vapor (H2O)

What is the chemical formula for sulfur dioxide?

SO2

What is the primary source of anthropogenic carbon dioxide emissions?

Combustion of fossil fuels

Which of the following pollutants is a major component of industrial smog?

Sulfur dioxide (SO2)

What is the chemical formula for carbon monoxide?

CO

What is the process by which atmospheric ozone is depleted in the stratosphere?

Ozone depletion

What is the primary source of atmospheric water vapor?

Evaporation

Which of the following pollutants is primarily responsible for the formation of acid aerosols in the atmosphere?

Sulfur dioxide (SO2)

What is the primary source of anthropogenic ammonia emissions?

Agricultural activities

Which of the following pollutants contributes to the formation of particulate matter in the atmosphere?

Sulfur dioxide (SO2)

What is the chemical formula for ammonia?

NH3

What is the primary source of atmospheric particulate matter?

Combustion of fossil fuels

Which of the following pollutants is primarily responsible for the formation of secondary organic aerosols in the atmosphere?

Volatile organic compounds (VOCs)

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