MCQOPTIONS
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| 1. |
Which one of the following DOES NOT involve coagulation? |
| A. | Formation of delta region |
| B. | Peptization |
| C. | Clotting of blood by the use of ferric chloride |
| D. | Treatment of drinking water by potash alum |
| Answer» C. Clotting of blood by the use of ferric chloride | |