Question

7. Which of the following statement is correct.
a. Boiling and evaporation both are bulk.

b. Boiling and evaporation both are surface phenomena.

c. Boiling is the bulk phenomena and evaporation is surface phenomena.

d. Boiling is surface phenomena and evaporation is the bulk phenomena.​

Answer 1

Answer:

Option A is correct.

Explanation:

Boiling is considered as bulk phenomenon because total molecules (including interior molecules along with surface molecules) are involved during boiling of any liquid. Whereas during evaporation only surface molecules will involved, so it is considered as surface phenomenon. Boiling is a bulk phenomenon.

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