Explain the steps involved in the separation of components of air.
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The air is the main source of oxygen, nitrogen and noble gases. These are separated by first liquefying the air and then separating the components of liquid air by fractional distillation.
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(a) (i) Compress and cool by increasing pressure and decreasing temperature.
(ii) Allow to warm up slowly in fractional distillation column.
(iii) Gases get separated at different heights.
Two main components :
Oxygen 21% and Nitrogen 78%.
Oxygen gets liquified first because its boiling point is higher than that of the other components.
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