Home › AP EAPCET (Engineering) › Chemistry › Environmental Chemistry › Which gas did Haagen-Smit identify in Los Angele…
Which gas did Haagen-Smit identify in Los Angeles smog in 1948?
AOzone
BChlorine
CHelium
DRadon
Answer & Solution
Correct answer: A. Ozone
His collection of polluted air showed ozone, formed from vehicle exhaust gases in sunlight.
Related questions
Which instrument is used to assay radioactive materials in the environment?A substance present in nature above fixed levels, or that should not be there, is called wMany PAHs from oil spills are harmful because they are what?A chemical medium that retains a pollutant, such as a carbon store, is called what?The soil or organism affected by a pollutant is called what?Which branch aims to reduce pollution at its source?In water quality testing, what does BOD stand for?Fertiliser nutrients leaching into water courses can cause what?