MCQOPTIONS
Saved Bookmarks
| 1. |
Among the electrolytes Na2SO4, CaCl2, Al2(SO4)3 and NH4Cl, the most effective coagulating agent for Sb2S3 sol is [IIT-JEE 2009] |
| A. | Na2SO4 |
| B. | CaCl2 |
| C. | Al2(SO4)3 |
| D. | NH4Cl |
| Answer» D. NH4Cl | |