engineering chemistry MCQ #3073

engineering chemistry MCQ #3073

1. Question 1

   Q1. The photochemical smog is formed by

   • A) Reaction of NOx and VOCs in presence of sunlight
   • B) Reaction of SO2 and CO in presence of sunlight
   • C) Reaction of CO2 and H2O in presence of sunlight
   • D) Reaction of N2 and O2 in presence of sunlight

   Answer: Reaction of NOx and VOCs in presence of sunlight

   Explanation: NOx and VOCs react in presence of sunlight to form ground-level O3 and other pollutants