InterviewSolution
Saved Bookmarks
InterviewSolution
| 1. |
Fill in the blanks1. A liquid in liquid colloid is called ……2. Pearls, opals and Ruby red glass are belong the colloid named ………3. Rubber forns colloidal solution with ………4. In colloid mill, the two metal plates rotating in opposite directions of nearly ……revolution per minute.5. Colloidal solutions of ink and graphite are prepared by …….. method.6. A brown colloidal solution of platinum was prepared by ………. in 1898.7. …….. is added as an stabilising agent for making platinum colloid.8. Metal hydroxide is added as an …….. for making noble metal sols.9. Claus obtained …….. by subjecting ………….. to high frequency ultrasonic vibrations, 10. In the preparation of AgCI colloid from AgCl precipitate, the peptising or dispersing agent used is ……… |
|
Answer» 1. emulsion 2. solid sol 3. benzene 4. 7000 5. mechanical dispersion 6. George Bredig 7. alkali hydroxide 8. stabilising agent 9. mercury sol, mercury 10. HCl |
|