Question

Water vapor sometimes condenses to form water droplets called dew. When this occurs, what type of change is it?
A. physical only
B. chemical only
C. physical and chemical

Answer 1

A. its only a physical change. It is not a chemical change as no H2O bonds are broken. When water molecules absorb enough energy they are able to change states i.e solid --> liquid , liquid --> vapour.
Hope this is clear

Answer 2

A. Physical only
Chem change ex is rust forming