What should be the content of N2 in commercial cellulose nitrate used – McqOptions

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1.	What should be the content of N2 in commercial cellulose nitrate used for plastic and coating purposes?
A.	10.9-12.2%
B.	13.5-14%
C.	8.9-9.2%
D.	16-18%
Answer» B. 13.5-14%

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