Suggest a method to liquify atmospheric gases.
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In order to liquify atmospheric gases, the intermolecular spaces between their molecules should be reduced. This can be achieved in two ways:
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What is the physical state of water at?
(a) 250°C
(b) 100°C
For any substance, why does the temperature remain constant during the change of state?
Why does a desert cooler cool better on a hot dry day?
How does the water kept in an earthen pot (matka) become cool during summer?