| In the cities of our country, which among the following atmospheric gases are normally considered in calculating the value of Air Quality Index? |
| 1. Carbon dioxide |
| 2. Carbon monoxide |
| 3. Nitrogen dioxide |
| 4. Sulfur dioxide |
| 5. Methane |
| Select the correct answer using the codes given below |
A) 1, 2 and 3
B) 2, 3 and 4
C) 1, 4 and 5
D) 1,2,3,4 and 5
Correct Answer: B
Solution :
Exp. [b] In the year 2015, Air Quality Index has been brought into use. Index gives information regarding the level of particular pollutant present in the environment. This data suggests about the air quality standard. In India, Air Quality Index measures following eight pollutants -\[S{{O}_{2}}\],\[N{{O}_{2}}\], \[CO\],\[{{O}_{3}}\]\[Pb\],\[P{{M}_{2.5}},\] \[P{{M}_{10}}\] and\[NH\]. Air quality index has given colour codes for different level amount of pollutant and their harmful effects. Air quality index is working in around twenty cities of country.
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