4.16: Understand How Sulfur Dioxide and Oxides of Nitrogen Oxides Contribute to Acid Rain

ACID RAIN: Rain with low pH due to presence of dissolved acidic gases such as Sulfur Dioxide and Oxides of Nitrogen

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CONTRIBUTION OF SULFUR DIOXIDE AND OXIDES OF NITROGEN OXIDE TO ACID RAIN:

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Sulfur Dioxide will react with Oxygen and dissolve in Water droplets of Clouds to form dilute Sulfuric acid, causing acid rain:

Sulfur Dioxide   +   Oxygen   +   Water   →   Sulfuric Acid

Oxides of Nitrogen Oxides will dissolve in Water droplets of clouds to form dilute Nitric acid and Nitrous acid, causing acid rain:

Nitrogen Dioxide   +   Water   →   Nitric Acid