

MCQOPTIONS
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1. |
Mercury thermometer is commonly used for low temperature measruement. 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 | |