Home ยป Ringelmann chart No. 2 corresponds to __________ percent black smoke. Air Pollution MCQs Ringelmann chart No. 2 corresponds to __________ percent black smoke. December 29, 2021 5 Views Q. Ringelmann chart No. 2 corresponds to __________ percent black smoke. 10204080 Answer: Option 3
Which one of the following pollutant (or) pairs of pollutants is formed due to photochemical reactions?
The particulate which is emitted by combustion of petroleum in automobiles and which affects hemoglobin formation is