 
			 
			MCQOPTIONS
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				| 1. | WHICH_OF_THE_FOLLOWING_METHODS_IS_USED_TO_DETECT_A_CONCENTRATION_OF_THE_METAL??$ | 
| A. | Check triangle method | 
| B. | Euler’s method | 
| C. | Finn’s method | 
| D. | Check circle method | 
| Answer» E. | |