Atmospheric Pollution
Atmospheric Pollution: Overview
This topic covers concepts such as Regions of the Atmosphere, Troposphere, Stratosphere, Chemical Reactions in Atmosphere, Reaction Occuring in Stratosphere, Formation of Ozone, Destruction of Ozone, Tropospheric Pollution, etc.
Important Questions on Atmospheric Pollution
The smog is essentially caused by the presence of :
Which of the following is responsible for depletion of ozone layer in upper strata of the atmosphere?
Ozone in stratosphere is depleted by :
When rain is accompanied by a thunderstorm, the collected rainwater will have a value
Ozone in stratosphere extends
Which of the following is not a source of nitrogen dioxide pollutant?
Write a short note on the fumes as particulate pollutants.
Smoke is composed of fine solid particles (over in diameter), produced during crushing, grinding and attribution of solid materials.
Give some examples of smoke particulates.
Cigarette smoke, smoke from burning of fossil fuel, garbage and dry leaves, oil smoke etc. are examples of smoke particulates.
Write the composition of smoke particulates.
Match the following:
| Pollutants | Effects | ||
| (a) | Chloro fluoro carbon | (i) | BOD level of water increases |
| (b) | Methane in air | (ii) | Acid rain |
| (c) | Synthetic detergents in water | (iii) | Global warming |
| (d) | Nitrogen oxides in air | (iv) | Depletion of ozone layer |
The secondary precursors of photo chemical smog are
Which region of the atmosphere is the domain of all living organisms?
Which gas among the following has the maximum global warming potential?
Give an account of tropospheric pollution?
Ozone is a particulate pollutant.
Which of the following is gaseous air pollutant?
_____ are the minute solid particles or liquid droplets in air.
Hydrocarbons are composed of _____ and carbon are formed by the incomplete combustion of fuel used in automobiles.
