Oxygen is prepared by the fractional distillation of

Question

Oxygen is prepared by the fractional distillation of

Oxygen is prepared by the fractional distillation of
A. Water
B. Liquid air
C. Hydrogen peroxide
D. Heavy water.

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - B
Liquid air is a mixture of mostly liquid nitrogen and liquid oxygen and the difference in their boiling points is about `12.8^(@)C`. So these two are easily separated by fractional evaporation when nitrogen being more volatile escapes first.

4 views Answered 2023-02-05 15:29