The pH of fresh ground water slightly decreases upon exposure to air because Chemistry - Questions and Answers

The pH of fresh ground water slightly decreases upon exposure to air because

(a)Carbon dioxide form air is dissolved in the water Right sign

(b)Oxygen from the air is dissolved in the water

(c)The dissolved carbon dioxide of the ground water escapes into the air

(d)The dissolved oxygen of the ground water escapes into the air

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