At what pH the rain water become acidic.
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at 5.6 it becomes acidic vhn H2So4 HN03 H2Co3 r formed by mixing with rain water H20
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Normal, clean rain has a pH value of between 5.0 and 5.5, which is slightly acidic. However, when rain combines with sulfur dioxide or nitrogen oxides—produced from power plants and automobiles—the rain becomes much more acidic. Typical acid rain has a pH value of 4.0.
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