MCQOPTIONS
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| 1. |
Mercury thermometer is commonly used for low temperature measurement. The freezing point and boiling point of mercury are respectively _____________ °C? |
| A. | – 39 and 350 |
| B. | – 51 and 439 |
| C. | – 79 and 395 |
| D. | – 10 and 425 |
| Answer» B. – 51 and 439 | |