Answer : The correct option is, (B) Conductivity
Explanation :
Conductivity : It is the property of matter in which the substance can transfer the heat or electricity. Or we can say that the material or substance which conduct electricity.
Magnetism : It is a type of force which can attract or repel the objects that have a magnetic material like iron.
Density : It is measures the mass of the substance per unit volume.
Solubility : It is defined as the amount of a solute that dissolves in a unit volume of the solvent to form a saturated solution under the specified conditions of temperature and pressure.
Hence, the conductivity is the property of matter in which a substance can transfer heat or electricity.