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The cause of acid rain phenomenon is the increase in energy saving oxides of
sulfur and nitrogen in the atmosphere due to human activities cause. Cars, factories
and some thermal power plants burning other fuels, exhaust gas SO2 into the atmosphere.
The smelter, refinery and SO2 discharge. In the exhaust gas, in addition to SO2 there
is NO gas atmosphere created at high temperatures of combustion reaction. These types of
fuels such as coal, oil and gas that we use contain S and N. When the fire
in the atmosphere composition O2, they will turn into SO2 and NO2, very
soluble in water. During rain, under the effect of the radiation environment, the
oxide reacts with water vapor in the atmosphere to form acid as H2SO4,
sulfur acid, nitric acid. They fell to the ground with rain or stay
in the atmosphere and clouds in the sky. Government of acid rain have made taking
acid.
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