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7.7 Acid Rain

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Acid rain (more broadly, acid deposition) is precipitation that is significantly more acidic than normal rainwater. Normal rain has a pH of ~5.6 (slightly acidic from atmospheric CO₂); acid rain can have pH 4 or even lower.

In this unit

8 lessons

  1. 7.1Introduction to Air PollutionPreview lesson
  2. 7.2Photochemical SmogPreview lesson
  3. 7.3Thermal InversionPreview lesson
  4. 7.4Atmospheric CO2 and ParticulatesPreview lesson
  5. 7.5Indoor Air PollutantsPreview lesson
  6. 7.6Reduction of Air PollutantsPreview lesson
  7. 7.7Acid RainThis lesson
  8. 7.8Noise PollutionPreview lesson

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