581.
Which of the following is an asphyxiant produced during incomplete combustion reactions?
A
Mercury
B
Carbon monoxide
C
Lead
D
Sulfur dioxide
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Which of the following is an asphyxiant produced during incomplete combustion reactions?
Mercury
Carbon monoxide
Lead
Sulfur dioxide
Which of the following gases has the highest affinity for blood haemoglobin?
Carbon dioxide
Oxygen
Carbon monoxide
Nitrogen
Which is the major source for sulphur dioxide?
Volcanic eruptions
Coal and crude oil combustion
Burning of petrol
Sewage treatment process
What causes pollution
Human activities
Trees
Both of these
None of these
The Taj Mahal is being affected by
Noise pollution
Air pollution
Water pollution
None of these
The percentage of nitrogen is
21%
78%
12%
87%
The major contributor of Carbon monoxide is
Motor vehicle
Industrial processes
Stationary fuel combustion
None of the above
Ozone in Stratosphere absorbs harmful
Dust particles
Radiations
Fumes
Air Pollutants
Incomplete combustion of fuel such as petrol and diesel gives
nitrogen oxide
sulphur dioxide
carbon monoxide
carbon dioxide
If released or formed in the atmosphere, which of the following will least likely result in long-term environmental damage to an ecosystem?
Mercury
Carbon monoxide
Lead
Ozone
Highest percentage of air consists of
Oxygen
Carbon dioxide
Nitrogen
Argon
Green House gas is
Nitrogen
Oxygen
Methane
Carbon dioxide
Fine organic or inorganic particles suspended in air is called
particulate pollutant
gaseous pollutant
aerosol
none of these
CNG is a
Polluted fuel
Clean fuel
Harmful fuel
None
All are particulate pollutants except
smoke
dust
ozone
soot
Air pollution causes
Global warming
Respiratory problems
Soil erosion
None of these
Which is not a typical property of an acid
They react with alkalies producing water
They react with all metals producing hydrogen
They react with carbonates producing carbon dioxide
They turn litmus paper red
Acids taste
sweet
bitter
sour
salty
Bases feel
rough
slippery
moist
dry
Acids make litmus paper turn
red
blue
yellow
black