MCQOPTIONS
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MCQOPTIONS
| 1. |
Use of coagulants such as alum |
| A. | results in reduction of pH of the treated water. |
| B. | results in increase of pH of the treated water. |
| C. | results in no chnage in pH of the treated water. |
| D. | may cause an increase in decrease of decrease of pH of the treated water. |
| Answer» B. results in increase of pH of the treated water. | |