MCQOPTIONS
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MCQOPTIONS
| 1. |
Which of the following fluid is used in web scrubbers? |
| A. | Lime |
| B. | MgSO<sub>4</sub> |
| C. | NaCl |
| D. | K<sub>2</sub>Cr<sub>2</sub>O<sub>7</sub> |
| Answer» B. MgSO<sub>4</sub> | |