Question

Draw the flow chart for obtaining different gases from air.

Answer 1

$Air$

$\downarrow$

Compress and cool by increasing pressure & decreasing temperature.

$\text{Liquid Air}$

$\downarrow$

Allow to warm up slowly in fractional distillation column.

$\downarrow$

Gases get separated at different heights.

$\downarrow$

	Oxygen	Argon	Nitrogen
Boiling point ${(}^{o}C)$	$-183$	$-186$	$-196$
% Air by volume	$20.9$	$0.9$	$78.1$