Q. What is the process in which water vapour directly condenses into solid form called?
Answer: Sublimation
Notes: Sublimation is the process in which water vapour directly condenses into solid form.
Condensation is the process of transformation of water vapour into water.
Evaporation is process by which water or a liquid is transformed from liquid to gaseous state.
Precipitation is the condensation of water vapor in air in form of water droplets or ice.