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Grade 12th pass9 grade science

Oxygen is manufactured by the fractional evaporation of :

Profile image of Harshit Singh
4 Years agoGrade 12th pass
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Profile image of Yash Patari
4 Years ago
DEAR STUDENT
Oxygen is manufactured by the fractional evaporation of liquid air. In this commercial method, air is liquefied by using Joule-Thomson effect. Water vapour and carbon dioxide are removed by solidification.
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