The Environmental Chemistry 1: The Atmosphere

Which layer is closest to the Earth?

 
 
 
 

Which gas is reddish-brown in color?

 
 
 
 

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

 
 
 
 

Most air pollution is caused by:

 
 
 
 

The stratosphere extends up to:

 
 
 
 

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

 
 
 
 

The troposphere extends up to:

 
 
 
 

The outermost layer of Earth’s atmosphere is:

 
 
 
 

The ozone layer is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

Which of the following is responsible for acid rain?

 
 
 
 

Which gas is primarily responsible for the greenhouse effect?

 
 
 
 

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

 
 
 
 

Which gas has the highest percentage in the air?

 
 
 
 

The lowest temperature in the stratosphere is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

Question 1 of 20

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  5. ORGANIC CHEMISTRY
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  11. Differentiate between reversible and irreversible reactions?
  12. State Le-Chatelier’s principle.
  13. What is the significance of the equilibrium constant (Kc)?
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  15. What happens to the equilibrium position if the concentration of a reactant is increased?
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