Q. Consider the following statements:
1.Nitrate radical is an oxide of nitrogen that consists of three oxygen atoms bound to a nitrogen atom.
2.The production of nitrate radicals could increase the amount ozone and PM2.5 fine particulate matter in the atmosphere.
3.While cities in Europe and the United States have experienced a decline in the nocturnal production of nitrate radicals, parts of China and India have experienced a rapid increase..
Which of the statements given above are correct?

[A] 1 and 2 only

[B] 2 and 3 only

[C] 1 and 3 only

[D] 1, 2 and 3

Answer: D
Notes:

Explanation –

Statement 1, 2 and 3 are correct. Nitrate radical is an oxide of nitrogen that consists of three oxygen atoms bound to a nitrogen atom. The production of nitrate radicals could increase the amount ozone and PM2.5 fine particulate matter in the atmosphere. While cities in Europe and the United States have experienced a decline in the nocturnal production of nitrate radicals, parts of China and India have experienced a rapid increase.

Source: The Indian Express