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| Q. |
What among following is used to produce artificial rain? |
| A. | Copper oxide |
| B. | carbon monoxide |
| C. | silver iodide |
| D. | silver nitrate |
| Answer» C. silver iodide | |
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Explanation: Artificial process of making rain is done by precipitation, a process of condensation of water vapors in the air. This is done by using cloud seeding chemicals like potassium iodide, silver iodide, liquid propane or solid carbon dioxide (dry ice). |
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