state gov APPSC (ఆంధ్రప్రదేశ్) Group 2 (Pre + Mains) Mock Test 2023 General Knowledge Ecology and Environment Environment Problems
Sort the following steps in the correct order of photochemical smog production :
A. Emission of NOx and VOCs.
B. Ozone production due to the reaction between NOx and VOCs.
C. Ozone reacts with other pollutants and forms NO2 and O2.
D. Peroxy Acyl Nitrate (PAN) is produced by the reaction between NO2 and hydrocarbons.
Choose the correct order :
1
A, D, C, B
2
A, C, B, D
3
A, B, C, D
4
A, D, B, C