of nitrogen can be determined by the process:

1.	of nitrogen can be determined by the process:
A.	dulong‚Äö√Ñ√∂‚àö√ë‚àö¬•s formula
B.	orsat‚Äö√Ñ√∂‚àö√ë‚àö¬•s apparatus
C.	kjeldahl‚Äö√Ñ√∂‚àö√ë‚àö¬•s method
D.	fractional distillation
Answer» D. fractional distillation

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