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when the groundwater is exposed to the air the carbondioxide present in the air gets dissolved in the water due to which the ph of groundwater decreases

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Why the pH of fresh groundwater slightly decrease upon exposure to air?

The pH of fresh groundwater may slightly decrease upon exposure to air due to the absorption of carbon dioxide from the atmosphere. Carbon dioxide dissolves in water to form carbonic acid, which can lower the pH of the groundwater.


Why pH of fresh ground water slightly decrease upon exposure to air?

The pH of fresh groundwater can slightly decrease upon exposure to air due to the absorption of carbon dioxide from the atmosphere. Carbon dioxide can dissolve in water to form carbonic acid, which lowers the pH of the water. This process is known as carbonation and can lead to a slight decrease in pH levels.


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