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The property used in the industrial preparation of nitrogen and oxygen from air is?

Chemistry
JAMB 2005

The property used in the industrial preparation of nitrogen and oxygen from air is?

  • A. rate of diffusion
  • B. density
  • C. boiling point
  • D. solubility
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Correct Answer: Option C
Explanation

Fractional distillation of liquefied air, with Nitrogen distilling as a vapor at a lower boiling point of -196°C while O2 is left as a liquid. 


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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts