NEETChemistryStates of Matter
How can a gas be changed into a liquid?
Options
- ABy increasing the pressure at constant temperature.
- BBy lowering the temperature at constant pressure.
- CBy passing through a two-phase region.
- DBy using a complex chemical reaction.
Correct answer
B. By lowering the temperature at constant pressure.
Step-by-step solution
A gas can be changed into a liquid or vice versa by lowering the temperature at constant pressure.