Which of the followiempeng statements is/are not correct?

• A.Evaporation takes place only at the surface of the liquid
• B.Boiling takes place throughout the volume of the liquid
• C.Evaportaion takes place at all temperatures
• D.Boiling takes place at a particular temperature for a liquid at a fixed external pressure
• E.The boiling point of a liquid is not affected by impurities