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Stories about: oxide

What Are Acid Rains? Many acids result from the combination of a nonmetal oxide with water.Water can be found in nature, the oxides can be dumped by human activity, especially the burning of fossil fuels. This is how acid rains result: rains filled with acids. The main causes are the nitrogen and sulfur oxides, that give nitric and sulfu... 5 June 2007 15:06 GMT