A solid substance has been given a specific amount of energy to directly change its phase to gas state. This process is termed as:
Answer & explanation
Correct answer: option 4
The correct answer is Option (4) → Sublimation
- Sublimation is the process in which a solid changes directly into a gas without passing through the liquid state.
- Examples: Iodine, dry ice (solid CO₂).
Other options:
- Evaporation → liquid to gas
- Transpiration → water loss from plants
- Condensation → gas to liquid