MCQOPTIONS
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| 1. |
Match the water purification stages in Group-I with the corresponding items in Group-II Group IGroup IIP. Coagulation1. Ammonium hydroxideQ. Filtration2. Sodium ZeoliteR. Disinfection3. AlumS. Softening4. Sand5. Chlorine |
| A. | P-3, Q-4, R-1, S-5 |
| B. | P-1, Q-4, R-3, S-2 |
| C. | P-2, Q-3, R-5, S-4 |
| D. | P-3, Q-4, R-5, S-2 |
| Answer» E. | |