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| Q. |
Heavy water is - |
| A. | Monoterium oxide |
| B. | Polyterium oxide |
| C. | Deuterium oxide |
| D. | Trisium oxide |
| Answer» C. Deuterium oxide | |
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Explanation: Heavy water (D2O) is also called deuterium oxide. It is water composed of deuterium, the hydrogen isotope with a mass double that of ordinary hydrogen, and oxygen. |
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