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Question

The air over industrial cities has a usually higher amount of one of the following components than normal air. This component is:


A

Oxygen

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B

Argon

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C

Carbon dioxide

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D

Nitrogen

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Solution

The correct option is C

Carbon dioxide


Explanation:

  • The composition of air is Nitrogen (78%), Argon (0.90%), Carbon dioxide (0.03%) other gas (0.17%).
  • This composition of air changes due to an increase in the concentration of carbon dioxide and the possible reason for this industrial air pollution.

Answer:

So, the correct option is Carbon dIoxide.


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