MCQ
In Birkeland-Eyde process, the raw material used is
- ✓$Air$
- B$N{H_3}$
- C$N{O_2}$
- D$HN{O_3}$
✓
Answer
Correct option: A.
$Air$
a
(a) Birkeland -Eyde process
(a) Birkeland -Eyde process
Dinitrogen is prepared commercially from air by liquification and fractional distillation. When liquid air is allowed to distil, dinitrogen having lower b.pt ($77\,K$) distils over first leaving behind liquid oxygen (bpt $90\,K$). World wide production of dinitrogen from liquid air is more than $50$ million tonns per year.
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