Question

Oxygen is separated by distillation from air after its liquefaction. The boiling point of oxygen is about __________ °C.

a.

-83

b.

-183

c.

-196

d.

-218

Answer: (b).-183

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Q. Oxygen is separated by distillation from air after its liquefaction. The boiling point of oxygen is about __________ °C.

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