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Suggest a method to liquefy atmospheric gases.
Answer
Atmospheric gases can be liquified by
- Increasing pressure
- Decreasing temperature
When the atmospheric gases are compressed under high pressure , the particles of the gas come closer.
- Due to this, the space between the particles decreases.
- After applying a certain pressure, the particles of gases start attracting each other, resulting in the formation of a liquid.
- When the change of state from gaseous to liquid takes place, a lot of heat is released.
- Hence, to take away this heat released during the process, the temperature is also decreased.
