Which of the following statement is correct?

  • Materials existing as liquids at room temperature have their melting and  boiling points lower than that of room temperature.
  • The phenomenon  involving the transition of a substance from solid to liquid state is called sublimation.
  • To convert a temperature on the Celsius scale to Kelvin scale, subtract 273 from the given temperature
  • The density of ice is less than that of water.
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