Is sublimation a physical change?
Understand the Problem
The question is asking whether sublimation, the process of a substance transitioning from solid to gas without passing through the liquid state, is classified as a physical change. This indicates a need for understanding the definitions and examples of physical changes in matter.
Answer
Sublimation is a physical change.
Sublimation is a physical change where a substance transitions directly from a solid to a gas without passing through the liquid phase.
Answer for screen readers
Sublimation is a physical change where a substance transitions directly from a solid to a gas without passing through the liquid phase.
More Information
Sublimation involves no change in the chemical composition of the substance. Common examples include dry ice (solid CO2) subliming into CO2 gas.
Tips
A common mistake is confusing physical and chemical changes. Physical changes do not alter chemical composition, whereas chemical changes do.
Sources
- Is sublimation a physical or chemical change? - Study.com - homework.study.com
- Sublimation is a physical change. - BYJU'S - byjus.com
- Sublimation (phase transition) - Wikipedia - en.wikipedia.org
