The Environmental Chemistry 1: The Atmosphere

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

 
 
 
 

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

 
 
 
 

The lowest temperature in the stratosphere is:

 
 
 
 

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

 
 
 
 

Which layer is closest to the Earth?

 
 
 
 

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 a major contributor to indoor air pollution?

 
 
 
 

Which gas is reddish-brown in color?

 
 
 
 

The outermost layer of Earth’s atmosphere is:

 
 
 
 

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

 
 
 
 

The troposphere extends up to:

 
 
 
 

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

 
 
 
 

The ozone layer is found in:

 
 
 
 

Which of the following is responsible for acid rain?

 
 
 
 

Most air pollution is caused by:

 
 
 
 

The stratosphere extends up to:

 
 
 
 

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

 
 
 
 

Which gas has the highest percentage in the air?

 
 
 
 

Which gas is primarily responsible for the greenhouse effect?

 
 
 
 

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