Categories of Air Pollutants
Trending Questions
Q. A substance P has a tendency to absorb moisture from air. Hence, it is said to be
- Hygroscopic
- Hydrophobic
- Hydromatic
- None of these
Q. With reference to the given flowchart choose the correct option.


- (i) Hydrophobic (ii) Sulphuric acid (iii) Sulphate (iv) Nitrogen sulphate
- (i) Hygroscopic (ii) Sulphur solution (iii) Sulphuric acid (iv) Acid rain
- (i) Ionic (ii) Super sulphur oxide (iii) Sulphonyl hydroxide (iv) Sulphonyl superoxide
- (i) Hygroscopic (ii) Sulphuric acid (iii) Sulphurous aerosol acid (iv) Acid rain
Q. Which of the following is a secondary pollutant ?
- CO2
- SO2
- CO
- O3
Q.
Which of the following is/are closely related to respiratory illness in humans?
SO2 pollution
NO2 pollution
noise pollution
Mercury pollution
Q.
Which of the following is aerosol?
CFC
NOX
SOX
CO
Q.
Burning coal is a source of
all of these
CO
CO2
SO3
Q. Sulphur dioxide is released by
- Rubber industry
- Mining industry
- Power stations
- Heavy automobiles
Q.
The major source(s) of emissions of SOx is/are
all of these
smelting of ores
combustion of petroleum
petroleum refining
Q.
Emissions from motor vehicles contain
Hydrocarbons
CO
Lead
All of these
Q. According to Central Pollution Control Board (CPCB), which particulate size in diameter (in micrometers) of the air pollutants is responsible for greatest harm to human health?
- 1.5 or less
- 10 or less
- 5.2-2.5
- 2.5 or less