 
			 
			MCQOPTIONS
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				| 1. | Which of the following is a Secondary nitramine? | 
| A. | R-N(-R)NO<sub>2</sub> | 
| B. | R-N-(-NO<sub>2</sub>)<sub>2</sub> | 
| C. | R<sub>3</sub>-N | 
| D. | None of the mentioned | 
| Answer» B. R-N-(-NO<sub>2</sub>)<sub>2</sub> | |