 
			 
			MCQOPTIONS
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				| 1. | Which of the following is detected using manometer devices? | 
| A. | Pressure difference between manometric and measuring liquid | 
| B. | pH difference between manometric and measuring liquid | 
| C. | Density difference between manometric and measuring liquid | 
| D. | None of the mentioned | 
| Answer» B. pH difference between manometric and measuring liquid | |