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Question
Which one of the following is a cause of acid rains?
Which one of the following is a cause of acid rains?
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Solution
The correct option is A Sulphur dioxide
When the pH of rain water is less than 5.6, it is called acid rain. Oxides of sulphur and nitrogen are mainly responsible for acid rain. These combine with the water vapour and form harmful sulphuric acid and nitric acid, which then fall to the ground as acid rain.So, the correct answer is 'Sulphur dioxide'.
When the pH of rain water is less than 5.6, it is called acid rain. Oxides of sulphur and nitrogen are mainly responsible for acid rain. These combine with the water vapour and form harmful sulphuric acid and nitric acid, which then fall to the ground as acid rain.
So, the correct answer is 'Sulphur dioxide'.
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