Question

explain the method to obtain gases from air​

Answer 1

Answer:

By increasing the pressure, the air can be compressed. The compressed air is allowed to cool by decreasing its temperature and the air gets liquefied. The liquefied air is allowed to pass into a fractional distillation column. Depending upon their boiling point different gases get separated at different heights.

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Answer 2

The air is compressed by increasing the pressure and is then cooled by decreasing the temperature to get liquid air. This liquid air is allowed to warm-up slowly in a fractional distillation column, where gases get separated at different heights depending upon their boiling points.