The Environmental Chemistry 1: The Atmosphere

Which gas is reddish-brown in color?

 
 
 
 

Which layer is closest to the Earth?

 
 
 
 

Which international agreement was signed to reduce the production of ozone-depleting substances?

 
 
 
 

The outermost layer of Earth’s atmosphere is:

 
 
 
 

What is the major cause of smog formation in urban areas?

 
 
 
 

The ozone layer is found in:

 
 
 
 

The primary source of nitrogen oxides (NOₓ) in the atmosphere is:

 
 
 
 

The troposphere extends up to:

 
 
 
 

The lowest temperature in the stratosphere is:

 
 
 
 

Which air pollutant is known to cause respiratory diseases and lung cancer?

 
 
 
 

Most air pollution is caused by:

 
 
 
 

Which gas is primarily responsible for the greenhouse effect?

 
 
 
 

Which layer of the atmosphere contains most of the Earth’s weather phenomena?

 
 
 
 

Which of the following is responsible for acid rain?

 
 
 
 

The stratosphere extends up to:

 
 
 
 

What is the term used for harmful substances released into the air?

 
 
 
 

Which of the following is a major contributor to indoor air pollution?

 
 
 
 

What is the main reason for the depletion of the ozone layer?

 
 
 
 

Which gas has the highest percentage in the air?

 
 
 
 

Which gas is commonly used as an indicator of air pollution levels?

 
 
 
 

Question 1 of 20

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  3. ENVIRONMENTAL CHEMISTRY-AIR
  4. ENVIRONMENTAL CHEMISTRY-WATER
  5. ORGANIC CHEMISTRY
  6. BIOCHEMISTRY
  7. EMPIRRICAL DATA COLLECTION AND ANALYSIS
  8. QUALITATIVE ANALYSIS
  9. Define chemical equilibrium with example
  10. What is meant by chemical equilibrium?
  11. Differentiate between reversible and irreversible reactions?
  12. State Le-Chatelier’s principle.
  13. What is the significance of the equilibrium constant (Kc)?
  14. Why does a catalyst not affect the position of equilibrium?
  15. What happens to the equilibrium position if the concentration of a reactant is increased?
  16. What is the effect of decreasing pressure on a gaseous equilibrium system?
  17. What is dynamic equilibrium?
  18. How does temperature affect the equilibrium constant?
  19. State law of mass action?
  20. State the ways that equilibrium can be recognized.