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| Q. |
Which of the following is not a property of heavy water? |
| A. | Boiling point of heavy water is lower than that or ordinary water |
| B. | Density of heavy water is higher than that of ordinary water |
| C. | Freezing point of heavy water is higher than that of ordinary water |
| D. | It produces corrosion |
| Answer» A. Boiling point of heavy water is lower than that or ordinary water | |
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Explanation: Heavy water, formally called deuterium oxide or 2H90 or D20, is a form of water that contains the hydrogen isotope deuterium, rather than the common protium isotope. The colloquial term heavy water is often also used to refer a highly enriched water mixture that contains mostly deuterium oxide but also contains some ordinary water molecules as well: for instance heavy water used in CANDLE reactors is 99.75% enriched by hydrogen atom-fraction. |
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