InterviewSolution
Saved Bookmarks
| 1. |
A liquid will not wet the surface of a solid if the angle of contact isA. zeroB. equal to `45^(@)`C. smaller than `90^(@)`D. greater than `90^(@)` |
|
Answer» Correct Answer - D A liquid does not wet the solid surface if the angle of contact is obtuse, i.e., greater than `90^(@)`. In this case, cohesive forces will be greater than adhesive forces. |
|