The different man made activities are: (1) Fuel combustion (coal) account for 74, (2) Industries account for 22, (3) Transportation accounts for. The environment (Protection) Act, 1986 puts the responsibility of laying standards for vehicular emission to the Central and State pollution Control Boards so that standards can be incorporated in motor vehicle Acts and Rules. SO2 hv SO2 SO2 O SO3 SO2 H2OH2SO3 H2SO2OH2SO4 H2SO42NH3 (NH4)2 SO4. Classification of air pollutants: Air pollutants can also be divided into two categories: primary pollutant and secondary pollutant. The process like incineration, absorption, adsorption and condensation should be employed to reduce the different harmful constituents of smog such as oxide of sulphur and nitrogen, hydrocarbon, carbon-monoxide, dust etc. (vi) Tobacco smokes; it is produced by cigarette and bidis.
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What Causes Air Pollution? During the past few years, air pollution has emerged as one of the leading causes of death worldwide. Domestic air pollutants are the contaminated chemicals and substances that released into the air as a result of household activities. No one wants to see the earth swept away over a situation that could have been avoided. Reduction in the consumption of fossil fuels drastically,. The presence of PANs in smog causes extensive agricultural and forestry damage, such as damage to leave and stomatal tissues. It is polluted by thermal plants, installation of chemical and petrochemical plants and rapid increase of motor vehicles, deforestation and test of modern weapons. If good air is not supplied to the lung, rubric expository essay middle school the aftermath can result to bronchitis or asthma. Some of the harmful effects of UV-radiation may be outlined as below:. Classification of Air Pollutants.
SiF6 2HF H2SiF6 Just like primary pollutants, the secondary pollutants have significant detrimental effects on animals, soil, vegetations, crops and materials. However, when the atmospheric air is highly polluted containing the major pollutants like oxides of sulphur and nitrogen and halogen radicals, these pollutants react with water vapours or rain droplets to form different types of strong acids like sulphuric acid (H2SO4 nitric acid (HNO3) and. Nitrous oxides(N2O These oxides are released into the atmosphere when industrial combustion occurs at high temperatures. These arise from grinding of ores, spraying and soil erosion.