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| Q. |
The freezing point of fresh water is - |
| A. | 4°C |
| B. | 3°C |
| C. | 5°C |
| D. | 0°C |
| Answer» D. 0°C | |
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Explanation: The freezing point of water is the temperature at which water changes phase from a liquid to a solid. Under normal conditions, ordinary water freezes at 0°C, or 32°F. The temperature may be lower if supercooling occurs or if there are impurities present in the water which could cause freezing point depression to occur. |
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