McqMate
| Q. |
Typical precursor used in sol-gel are |
| A. | metal oxides |
| B. | metal dioxides |
| C. | metal alkoxides |
| D. | metal fluorides |
| Answer» C. metal alkoxides | |
| Explanation: metal alkoxides and metal chlorides are basically used as precursors in sol- gel. furthermore, a colloidal suspension is formed when they undergo hydrolysis or poly- condensation. | |
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