The Environmental Chemistry 1: The Atmosphere

The stratosphere extends up to:

 
 
 
 

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

 
 
 
 

The troposphere extends up to:

 
 
 
 

Which gas is primarily responsible for the greenhouse effect?

 
 
 
 

Most air pollution is caused by:

 
 
 
 

The lowest temperature in the stratosphere is:

 
 
 
 

Which gas has the highest percentage in the air?

 
 
 
 

The outermost layer of Earth’s atmosphere is:

 
 
 
 

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

 
 
 
 

Which of the following is responsible for acid rain?

 
 
 
 

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

 
 
 
 

Which layer is closest to the Earth?

 
 
 
 

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

 
 
 
 

Which gas is reddish-brown in color?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

The ozone layer is found in:

 
 
 
 

Question 1 of 20

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  5. ORGANIC CHEMISTRY
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