Related Questions

The air we inhale is a mixture of gases which of the following gases is the mixture is highest in percentage
A Carbon dioxide
B Oxygen
C Ozone
D Nitrogen
The air we inhale is mixture of gases. Which of the following gases in the mixture is highest in percentage?
A Ozone
B Oxygen
C Nitrogen
D Carbon dioxide
Which of the following is the most severe air pollutant?
A Hydrocarbons
B NOx
C SO2
D CO
Which of the following is NOT a secondary air pollutant?
A Aldehydes
B Nitric oxide
C Ketones
D Nitrogen dioxide
Which of the following is a secondary air pollutant?
A SPM
B PAN
C SO2
D NO2
Which of the following is not a gaseous air pollutant?
A Ozone
B Fumes
C Hydrogen sulphide
D Carbon
Which of the following is not an air pollutant?
A Ozone
B Carcinogens
C Pesticides
D Metallic powders
Which of the following is usually not an air-pollutant?
A Hydrocarbons
B Sulphur dioxide
C Carbon dioxide
D Nitrous oxide
Which of the following is secondary air pollutant ?
A Photochemical smog
B NO2
C Dust particles
D SO2
Which is the hazardous metallic pollutant in the air of Dhaka city ?
A Arsenic
B Carbon
C Zinc
D Lead

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