O-LevelPhysicsThermal Physics5054/12 · May/June 2015 · Q181 Mark
Which substance in the table is liquid at 20 °C?
Amelting point -218 °C, boiling point -183 °C
Bmelting point -39 °C, boiling point 357 °C
Cmelting point 44 °C, boiling point 280 °C
Dmelting point 119 °C, boiling point 444 °C
✓ Correct answer
B: melting point -39 °C, boiling point 357 °C
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