McqMate
| Q. |
In the citric acid production, the pH to be maintained in the fernmenter is |
| A. | 7.0 |
| B. | 5.0 to 6.0 |
| C. | 8.0 to 9.0 |
| D. | 1.0 to 6.0 |
| Answer» B. 5.0 to 6.0 | |
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