Oops! The correct answer is: Acid rain
If you ever come across thick black smoke coming out of a fire that releases a pungent foul smell, you will know that the smoke contains sulphur. These fumes release a large amount of sulphur dioxide (SO2), and sulphur trioxide (SO3) into the atmosphere. These sulphur oxides (combination of sulphur and oxygen) react with the water vapour in the air to form very strong acids like sulphuric acid (H2SO4). These acids fall along with the rain and hence the name Ďacid rainí. This rain is very harmful for plant and animal life.
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Compiled By: Compiled by Ajay Dasgupta
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