MCQOPTIONS
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| 1. |
What is the at 20°C of a waste that yields an oxygen consumption of 2 mg/ from a 0.5% diluted sample ? |
| A. | 50 mg/ |
| B. | 400 mg/ |
| C. | 200 mg |
| D. | 250 mg |
| Answer» C. 200 mg | |