Assertion (A): With the increase of temperature, the viscosity of glycerine increases. Reason (R): Rise of temperature increases kinetic energy of molecules.

- Assertion (A) is false: For most liquids, including glycerine, viscosity decreases as temperature increases. Increased temperature provides molecules with greater kinetic energy, allowing them to overcome intermolecular forces and move past each other more easily, thus reducing resistance to flow (viscosity). - Reason (R) is true: Increasing the temperature of a substance increases the average kinetic energy of its constituent molecules. This is a fundamental concept in thermal physics.