Why do we have acid rains but not base rains?
Answers
Answer:
Acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. These substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants, known as acid rain.
So it is due to this reaction that acid rain is produced.
Carbon dioxide in the air can react with water to create carbonic acid causing most rain to have a pH of less than 7.Thus only acid rain is possible.
This is why we do not have base rain
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Answer:
Rain is always slightly acidic because it mixes with naturally occurring oxides in the air. Unpolluted rain would have a pH value of between 5 and 6. When the air becomes more polluted with nitrogen oxides and sulphur dioxide the acidity can increase to a pH value of 4