Question

differentiate between evaporation and boiling?

Answer 1

Boiling is a bulk phenomena, evaporation is a surface phenomena
Evaporation takes place at all temperatures, while boiling occurs at a particular temperature.
Evaporation produces cooling but boiling does not.

Answer 2

                BOILING                                              EVAPORATION
-.a process in which a substance changes            -a process in which a substance
 its state from the liquid state.                                changes its state from the         to the gaseous state.                                           liquid state to gaseous state
                                                                            without boiling.
-bubbles are formed.                                             -bubbles are not formed
-occurs throughout the liquid.                                 -takes place only from the
                                                                              exposed surface of liquid.
-occurs at a definite temperature.                           -occurs at all temperature.