Q. Consider the following statements:
1.Boiling is a bulk phenomenon.
2.Evaporation is a surface phenomenon.
Which of the statements given above is/are correct?
Answer: C
Notes:
Explanation: Boiling is a bulk phenomenon. Particles from the bulk (whole) of the liquid change into vapor state.
Evaporation is a surface phenomenon. Particles from the surface gain enough energy to overcome the forces of attraction present in the liquid and change into the vapor state.
Source: NCERT

