MCQOPTIONS
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| 1. |
When the temperature is raised, the viscosity of liquid decreases, this is because [Kerala (Med.) 2002] |
| A. | Decreased volume of the solution |
| B. | Increase in temperature increases the average kinetic energy of molecules, which overcome the attractive force between them |
| C. | Decreased covalent and hydrogen bond forces |
| D. | Increased attraction between molecules |
| Answer» C. Decreased covalent and hydrogen bond forces | |