Sail E0 Webinar
Question
Which of the following is a secondary pollutant? 
Options:
A .  NO 
B .  CO
C .  SO2
D .  Phenols
Answer: Option D
:
D
Phenolis a secondary pollutant

Was this answer helpful ?
Next Question

Submit Solution

Your email address will not be published. Required fields are marked *

Latest Videos

Latest Test Papers