MCQOPTIONS
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				| 1. | 
                                    Nitrogen in coal | 
                            
| A. | is present upto 1-2%. | 
| B. | comes from protein in parent vegetable matter. | 
| C. | is recovered as ammonia during its carbonisation. | 
| D. | all (a), (b) and (c). | 
| Answer» E. | |