Fill in the blanks :
(a) Boiling occurs at ___
(b) Evaporation takes place at ___
(c) The molecules of liquid ___ heat from surroundings in evaporation.
(d) Heat is ___ during boiling.
(e) Cooling is produced in ___
(f) A longer rod expands ___ than a shorter rod on being heated to the same temperature.
(g) Liquids expand ___ than the solids.
(h) Gases expand ___ than the liquids.
(i) Alcohol expands ___ than water.
(j) Iron expands ___ than copper.