Q.

In Birkeland-Eyde process, the raw material used is

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a

Air

b

NH3

c

NO2

d

HNO3

answer is A.

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Detailed Solution

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.p. (77K) distils over first leaving behind liquid oxygen (b.p. 90K). World wide production of dinitrogen from liquid air is more than 50 million tonnes per year.
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