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Physics, 17.10.2020 21:01, wedderman8292
Old thermometers contained very small amounts of mercury. The mercury in the photo has a melting point of β38.8 Β°C. What can you conclude about the melting point of the mercury in old thermometers?
A. Its melting point can only be determined when the mercury is burned.
B. Its melting point changes as the mercuryβs temperature changes.
C. Its melting point equals β38.8 Β°C because it is mercury.
D. Its melting point is less than β38.8 Β°C because its volume is smaller.
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