| Chemistry Of Acid Rain
Acid rain is caused due to pollution, and the reason is as simple as that. However, the solution for it is not. Rain, when it falls on earth, it collects all the dust particles in the air during this downward journey. That is why the air seems so fresh after it has rained. Usually the dust particles that occur naturally are the pollen, and the chemicals that are produced by a lightening or volcanic activity. Raindrops collect these things from the air and then fall to the ground. |
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So the air is kept clean.However, when the air is polluted due to several reasons like the smoke coming out of chimneys of the factories, automobiles, and other industrial waste, the raindrops become contaminated. The raindrops absorb highly chemical substances like sulfur and nitrogen available in the polluted air, and become acidic in nature.
The raindrops in normal circumstances have a normal pH balance. However, air pollution makes the pH levels drop to a very low extent, and making the raindrops more potent. However, the potency of the raindrop depends on how heavily polluted it is, and how much the pH level has dropped to. The chemical balance caused in the raindrops may be due to power plants, industries, burning fossils like coal, also automobile pollution. Sulfur and nitrogen can interact in sunlight with the water vapor and cause the formation of acid.
Here are some of the chemical equations of the acid rain. This is how sulfuric acid and nitric acid become a part of the normal rain drops.
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Chemistry Of Acid Rain
