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| Q. |
Acid rain is caused due to pollution of atmosphere by – |
| A. | oxides of carbon and nitrogen |
| B. | oxides of nitrogen and sulphur |
| C. | oxides of nitrogen and phosphorous |
| D. | None of these |
| Answer» B. oxides of nitrogen and sulphur | |
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Explanation: Acid rain is caused by emissions of sulfur dioxide and nitrogen oxides, which react with the water molecules in the atmosphere to produce acids. |
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