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| Q. |
What are the components responsible for acid rain? |
| A. | Nitrogen monoxide (NO) and Carbon monoxide (CO) |
| B. | Sulphur dioxide (SO2) and Nitrogen oxides (NOx) |
| C. | Carbon dioxide (CO2) and Carbon monoxide (CO) |
| D. | Oxides of carbon (COx) and Oxides of nitrogen (NOx) |
| Answer» B. Sulphur dioxide (SO2) and Nitrogen oxides (NOx) | |
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Explanation: Acid rain is caused by emissions of sulfur dioxide (SO2) and nitrogen oxide (NO), which react with the water molecules in the atmosphere to produce acids. The SO2 and NOx react with water, oxygen and other chemicals to form sulfuric and nitric acids. The chemicals in acid rain can cause paint to peel, corrosion of steel structures and weathering of stone buildings. |
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